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Unsigned
State Trunklines & Connectors
Unsigned State
Trunklines | Signed & Unsigned
Connectors | Jump to Bottom
When people think of the state trunkline system, most immediately
think of the Interstate, US and State-numbered highways which
crisscross the state. Few, however, realize there are many miles
of unsigned state trunklines and connectors (both signed and unsigned) maintained by MDOT but
carrying no route number or other identifying markings.
Of the unsigned state trunklines, there are two types: numbered
but unsigned routes, of which there are only a few, and formerly
numbered routes which have been superceeded by other highways
or are earmarked for being turned back to local control. The
former are included with the regular
route listings elsewhere on this site, while the latter are
usually designated as "Old M-nn" or "Old
US-nn" officially by MDOT.
The information on unsigned state trunklines is taken from MDOT
sources and is believed to be accurate and correct to date.
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Unsigned
State Trunklines
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 |
Western Terminus: |
E
Main St at the Berrien/Cass Co line, 1-3/4 miles southeast of downtown
Niles |
Eastern Terminus: |
Jct US-12 & M-60, two miles southeast of
downtown Niles |
Length: |
0.348 miles |
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Map: |
Route Map
of OLD US-12 |
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Notes: |
This OLD US-12 routing is a very small
remnant of what was once part of the BUS
US-12 routing through
downtown Niles from January 1962 until January 1994. Prior to that
it was part of BUS US-112 from the late-1950s and even earlier,
it was designated as mainline US-112.
Interestingly, OLD US-12 was never signed as mainline US-12. |
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OLD US-12 is known as E Main St. |
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History: |
1994 (Jan 3) - The portion
of BUS US-12 from BUS
M-60/Oak St southeasterly via Main St to
the US-12 & M-60 interchange southeast of Niles is removed from this routing and
transferred onto the 11th St alignment, joining BUS
US-31 there
and supplanting the US-33 designation in the process. US-33 is
scaled back to a terminus at the US-12 interchange south of the
city at the new eastern terminus of BUS
US-12 as well. Main St
from BUS M-60/Oak St southeasterly to the Berrien/Cass Co line
is turned back to local control, while the (very) short portion
of the former BUS US-12 from the county line to the US-12 & M-60 junction
remains as a short unsigned state highway stub. It has been reported,
however, that this change may have been made in 1987 in terms of signage
in the field with the actual jurisdictional transfer taking place in
1994. —Thanks Marc! |
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Western Terminus: |
Washtenaw/Wayne Co line along Ann Arbor
Rd (at cnr Napier Rd) |
Eastern Terminus: |
Redford Twp/City of Detroit boundary along
Plymouth Rd (1/2 block east of Hazelton St) |
Length: |
14.749 miles |
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Map: |
Route Map
of OLD M-14 |
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Notes: |
This former alignment of M-14 was bypassed
in 1977-1979 when the I-96/Jeffries Frwy and the M-14 freeway connecting
Ann Arbor with Detroit via Livonia was completed and opened to
traffic. While the portions of the former M-14 within Washtenaw
Co to the west and the City of Detroit to the east were turned
back to local control, this segment in Plymouth & Redford Twps
and the City of Livonia was never transferred. |
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While OLD M-14 has not been a signed state
trunkline since the late-1970s, that has not prevented the posting
of some M-14 route markers along or near Plymouth Rd in the Redford
area. In addition, even though the route does not appear on any
official state highway maps, a few commercial mapmakers have either
continued to label M-14 as running along Plymouth Rd east of I-275 or have shown the route as BUS M-14—a designation which has
never existed. |
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History: |
1977 - With the completion of the final
segment of the I-96/Jeffries Frwy in Detroit and Livonia between
M-39/Southfield Frwy and I-275, M-14 is scaled back to end at I-275,
shortening the route by more than 14 miles. The former routing
of M-14 within the City of Detroit—from the western city limit
to Grand River Ave—is turned back to city control. The remainder
of the former M-14 between the Detroit city limit and I-275 is
retained in the state highway system as an unsigned trunkline. |
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1979 - The final segment
of the M-14 freeway
opens between the current end of the freeway at M-153 northeast
of Ann Arbor and the I-96/I-275 interchange near Plymouth. The former route of M-14 along
Plymouth Rd in Washtenaw Co is turned back to local control, while
the portion between the Washtenaw/Wayne Co line and I-275 in Wayne
Co is retained as an unsigned state trunkline. |
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Western Terminus: |
South
jct of US-131 & M-20 west
of Stanwood |
Eastern Terminus: |
Cnr 8 Mile Rd & 200th Ave west of Stanwood |
Length: |
0.158 miles |
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Map: |
Route Map
of OLD M-20 |
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Notes: |
OLD M-20 is the nearly 3/10th mile segment
of 8 Mile Rd immediately east of the US-131 interchange at Exit
131 near Stanwood. |
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Interestingly, OLD M-20 was never actually
part of a signed portion of M-20, although it was once part of
the temporary routing for US-131 from 1983 to 1984. Once the US-131 freeway was opened to traffic from 8 Mile Rd northerly to 19 Mile
Rd northwest of Big Rapids, 8 Mile itself from US-131 to Northland
Dr was turned back to local control. When the present-day route
of M-20 between White Cloud and US-131 near Stanwood was transferred
to state control in 1998, the Mecosta Co Road Commission transferred
all of 8 Mile Rd from the west county line to 200th Ave just east
of US-131, while M-20 runs only up to US-131 where it turns northerly
toward Big Rapids. It is unclear why this short 0.283-mile long
portion of 8 Mile Rd was transferred as well. |
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History: |
1998 (Oct 1) - As noted above, this portion
of 8 Mile Rd is transferred from county to state control as part
of the M-20 Rationalization changes. |
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Western Terminus: |
Grandville/Wyoming city limit along Chicago
Dr southwest of Grand Rapids |
Eastern Terminus: |
Jct BS
I-196 & Chicago Dr near I-196 Exit
72 in Wyoming |
Length: |
0.210 miles |
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Map: |
Route Map
of OLD M-21 (Wyoming) |
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Notes: |
OLD
M-21 in Wyoming occupies part of the original routing for M-21 between Grand Rapids and Holland along Chicago Dr, however the
route designation immediately preceeding this one was BUS M-21,
as noted in the history section below. This unsigned state trunkline
is a very short remnant of this former route not turned back to
local control when BUS M-21 was "decommissioned." |
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History: |
1974 - Approximately 34
miles of M-21 are
lopped off the western end with the completion of I-196 between
Holland and Grandville. The former route from US-31 at
Holland to east of Zeeland becomes a part of a new BL
I-196. The portion of Chicago Dr (Old M-21) from Zeeland to I-196 at
Grandville becomes an un-numbered state trunkline. The former BUS
M-21 between I-196 and
the Grandville/Wyoming city limit is turned back to local control,
while the remaining portion of BUS M-21 from that point to US-131 becomes
a new BS I-196. |
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History2 |
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Western Terminus: |
Intersection of E Fulton St & Cascade
Rd in eastern Grand Rapids |
Eastern Terminus: |
Jct M-37/East
Beltline Ave & M-21/E
Fulton St east of Grand Rapids |
Length: |
0.931 miles |
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Map: |
Route Map
of OLD M-21 (East G.R.) |
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Notes: |
This is a rather short "spur" unsigned
state trunkline—the reason for its existence is not apparent.
When the remainder of E Fulton St in Grand Rapids was turned back
to local control, this 9/10 mile stretch was not included and remains
on the state trunkline system to date. |
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History: |
1972 - BUS M-21 in Grand
Rapids is sliced in half, with the portion to the east of US-131 along Franklin
St, Eastern Ave and Fulton St is removed and turned back to
municipal control, except for the portion along E Fulton St from
Cascade Rd easterly to M-37/M-44/East Beltline Ave. The remaining portion
of BUS M-21 between Grandville and US-131 becomes a "spur" business
routing. |
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Western Terminus: |
Cnr M-81/N State St & Frank St in downtown
Caro |
Eastern Terminus: |
Cnr M-24/Mertz Rd-Ellington St & Frank
St-Dayton Rd on the east village limits of Caro |
Length: |
0.483 miles |
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Map: |
Route Map
of OLD M-24 |
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Notes: |
For fifty years, from 1942 until 1992, M-24 approached the village of Caro from the south via
Mertz Rd, then turned westerly via E Frank St to a terminus in downtown Caro at
M-81. Plans for a northerly extension of M-24 through the heart
of Tuscola Co from Caro to Unionville began years earlier, but
in the early 1990s the first change along these lines rerouted
M-24 due northerly via Ellington St to a new terminus at M-81,
leaving the former route along Frank St as an unsigned trunkline
as OLD M-24. |
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History: |
c.1992 - M-24 is rerouted off E Frank St
and onto Ellington St in Caro in preparation for the completion
of the M-24 extension. The former route of M-24 along Frank St
from M-24 into downtown Caro at M-81 remains as an unsigned state
trunkline. |
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1997 - The M-24 extension north of Caro
opens to traffic. From M-81 in Caro, the extension runs northerly
for 1.5 miles via Cleaver Rd, then westerly for 4 miles on newly-built
highway, then northerly again along Unionville Rd to M-138 east
of Akron. From there, M-24 replaces the M-138 designation northerly
into Unionville. |
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Southern Terminus: |
I-69 at Exit
92 near Dimondale southwest of Lansing |
Northern Terminus: |
I-496/Ransom
E Olds Frwy at Exit 4 in Lansing |
Length: |
7.136 miles |
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Map: |
Route Map
of OLD US-27 (Eaton) |
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Notes: |
Thus unsigned/old state trunkline is the
former route of US-27 and TEMP I-69 between Charlotte and I-96 southwest of Lansing as well as what was designated BUS US-27 for
a time from I-96 into Lansing. Some of the original highway was obliterated
when the existing I-69 freeway was built in the very early-1990s,
however the route was not turned back to local control and
remained an unsigned trunkline. A portion of the former route of US-27 was turned back to County |
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History: |
1992 (Oct 22) - The final
segments of the new I-69/US-27 freeway
open between Charlotte and I-96 southwest
of Lansing. The former route of TEMP I-69/US-27 (Lansing
Rd) becomes an unsigned state trunkline, as does the decertified
BUS US-27 (Lansing Rd) from I-96 into
Lansing. BUS US-27 now runs from the junction of I-69/US-27 near
DeWitt southerly to end at Michigan Ave in Lansing. BUS US-27 along
Lansing Rd between I-69/US-27 Exit
72 and I-496 Exit
4 becomes an un-signed trunkline, while "officially" retaining
the BUS US-27 designation for a time for internal MDOT purposes. |
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2008 (Dec 2) - More than half of the route of OLD US-27 in Eaton Co (8.72 of 15.86 miles) is transferred to County jurisdiction, beginning at the northern end of BL
I-69 in Charlotte and continuing northeasterly along Lansing Rd past Potterville to I-69 at Exit 92 near Dimondale. This former
trunkline was superceeded by the I-69/US-27 freeway when that route
was completed between Charlotte and I-96 southwest of Lansing in 1992. The
portion of OLD US-27 from I-69 at Exit 92 northeasterly to I-496 at Exit 4 in Lansing remains as an unsigned trunkline. |
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Southern Terminus: |
Jct BL
I-96 at the intersection of Cedar-Larch
Sts, E North St & N East St on the north side of Lansing |
Northern Terminus: |
Jct BUS
US-127 at cnr Old 27 & Price Rd south of St Johns |
Length: |
12.431 miles |
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Map: |
Route Map
of OLD US-27 (Clinton) |
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Notes: |
While this unsigned/old trunkline route was once
part of US-27 in its entirety, modern day OLD US-27 is actually
made up of two former routes. From Lansing northerly to I-69 at
DeWitt, OLD US-27 was previously designated as unsigned BUS US-127
for a short time and, prior to that, as signed BUS US-27 for many
years. Prior to 1984, this portion of the route was part of mainline
US-27. From I-69 at DeWitt northerly to Price Rd south of St Johns,
OLD US-27 is just that: the former route of US-27 before the US-27 (now US-127) freeway was completed to the east in 1998. |
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At present, it's unclear when MDOT began
referring to the portion of N East St from the north side of Lansing
northerly to I-69 at DeWitt as part of unsigned OLD US-27. After
the decommissioning of US-27 and redesignation as US-127 in May
2002, several MDOT documents and construction reports referred
to the former BUS US-27 at Lansing as BUS US-127, however when
the department removed all of the BUS US-27 route marker assemblies
along that potion of the route, they were not replaced with BUS
US-127 assemblies, thus signifying that the newly-designated BUS
US-127 route was to be an unsigned trunkline. However, at some
point since 2004, MDOT has begun referring to the entire route
from BL I-96 at Lansing and BUS US-127 south of St Johns as OLD
US-27. It appears unsigned BUS US-127 at Lansing is no longer. |
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History: |
1998 (Aug 31) - At 9:17am on Monday, August 31, 1998, the northbound lanes of the final link
in the long-awaited US-27 "St Johns Bypass," were opened to through traffic. The southbound
lanes open within a couple hours of the northbound side. With the opening of the new freeway, the 7.73 miles of former
US-27 from I-69 (at Exit 87 near DeWitt) to Price Rd (5 miles
south of downtown St Johns) is now an un-numbered state trunkline, erroneously labled as BUS US-27 on some commercial maps. |
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2001 - As part of US-27's decommissioning in Michigan, most of the
US-27 route markers are removed from the 89-mile portion of the route concurrent with I-69, between the
Indiana state line and jct US-127 at DeWitt north of Lansing. Most of the signs were removed in June and
July, with most of the stragglers being removed later in the year. A few markers remained, though, into 2002. It is assumed that the existing BUS US-27
route markers along N East St from Lansing to DeWitt are also removed at this time, making it an unsigned trunkline. |
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2002 (May) - The Big Changeover from US-27 north
of Lansing to US-127 occurs. Starting in May in the Bay and North Regions (Gratiot, Isabella, Clare and Roscommon
Counties), new US-127 markers go up along the freeway and the various Business Connections. This signals the end of
US-27 in Michigan. Former BUS US-27 at Lansing becomes BUS US-127, although unsigned. |
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c.2004-05 -
At some point during this timeframe, MDOT begins referring to unsigned BUS
US-127 as part of OLD US-27 |
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Southern Terminus: |
Jct US-127 & BUS
US-127 north of St Johns (at the northbound ramps) |
Northern Terminus: |
Dead end of US-127 frontage
road approximately 6/10th mile north of jct US-127 & BUS
US-127 north of St Johns |
Length: |
0.583 miles |
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Map: |
Route Map of OLD US-27 (St Johns) |
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Notes: |
This unsigned/old trunkline is essentially made up of the portion of
the former route of US-27 from the northern BUS US-127 interchange
at St Johns running northerly for approximately 6/10th mile to
a cul-de-sac near where the US-127 freeway merges back into the
uncontrolled-access, divided highway portion of US-127. Several
homes are served by this frontage road. |
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While currently a dead-end road, this short spur is scheduled to be re-connected
to what is now the northbound side of US-127 (formerly US-27) from
Livingston Rd northerly once the proposed US-127 freeway project
from St Johns to Ithaca is completed in the next decade or so.
At present, the current northbound lanes of US-127 north of this
point will become a frontage road for the new freeway to be constructed
immediately to the west of the existing highway. Thus, this dead-end
road will again be connected to the north. |
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History: |
1996 (Dec 15) - The full "St Johns Bypass" opens around
St Johns and the US-27 designation is transferred onto it. The
former route of US-27 through St Johns becomes BUS US-27, while
the short portion from the northern BUS US-27 interchange northerly
becomes an unsigned trunkline. |
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Western Terminus: |
I-94 at Exit 30 (Napier Ave interchange) southeast of Benton Harbor
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Eastern Terminus: |
US-31/St Joseph Valley Pkwy
at Exit 24 (Napier Ave interchange) southeast of Benton Harbor
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Length: |
2.046 miles
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Map: |
Route Map
of OLD US-31 (Berrien) |
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Notes: |
This approximately two-mile long segment of Napier Ave southeast of Benton Harbor served as the "temporary" connector between the northern end of the US-31/St Joseph Valley Pkwy freeway westerly to I-94 for 19 years while planning on the final segment of the US-31 freeway stalled for environmental and funding reasons. Originally thought to have just been a so-called "marked-and-maintained" route, this portion of Napier Ave was actually jurisdictionally transferred to state control in 2003. With the completion of the US-31/St Joseph Valley Pkwy between Napier Ave and I-94 in late 2022, Napier Ave became an unsigned state trunkline highway internally designated within MDOT as OLD US-31
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History: |
2003 (Aug 27) – A 9.1-mile extension of the US-31 freeway in Berrien Co is opened to traffic, connecting the northern end of the existing freeway at Berrien Springs with Napier Ave east of Benton Harbor. This is the fourth of five informal "phases" of the freeway in Berrien Co and it removes through traffic off the rather dangerous former route of US-31 between Berrien Springs and I-94. This portion of the freeway features the third (and final) pair of St Joseph River crossings as well as interchanges at Tabor Rd, Pipestone Rd/Sodus Pkwy and Napier Ave. The former route of US-31 between the freeway at Berrien Springs (at Exit 15) and I-94 south of Benton Harbor/St Joseph is redesignated as an extension of M-139, instead of an extension of M-63 as had been originally proposed and confirmed by several MDOT documents. Additionally, the 1.91 miles of Napier Rd from I-94 at Exit 30 easterly to the northern end of the new freeway segment is "temporarily" transferred from County to MDOT control. According to MDOT documents, "The county road, Napier Road, will provide a temporary link between the temporary northern terminus of new US-31 freeway and I-94. It is unknown how long the "temporary" situation will exist, so MDOT and the public are best served by having a trunkline-to-trunkline connection in this area for the duration." More info: US-31 Freeway in Berrien County. |
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2022 (Nov 9, 3:00 pm) – The final segment of the US-31/Saint Joseph Valley Pkwy freeway in Berrien Co is finally completed, 43 years after the first segment opened to traffic west of Niles. As detailed at US-31 Freeway in Berrien County, the discovery of the Blue Creek Fen and the Mitchell's satyr butterfly in 2004 caused the originally-proposed route for the US-31 freeway to be taken off the table. The new route bends to the northwest and meets I-94 at a newly constructed interchange with BL I-94 (at US-31 Exit 27 and I-94 Exits 33 A-B). The I-94/US-31 concurrency remains between Exits 33A-B and 34, while what had been posted as I-94/US-31 between Exits 30 and 33 reverts back to just I-94. The 19-year "temporary" route of US-31 along Napier Ave between I-94 at Exit 30 and US-31/St Joseph Valley Pkwy at Exit 24 becomes an unsigned state trunkline route, internally designated by MDOT as OLD US-31. |
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Southern Terminus: |
M-20/Hayes Rd at cnr Oceana Dr north of New Era (excludes portion in City
of Shelby) |
Northern Terminus: |
North end of the Pentwater River bridge along Oceana Dr at Hart |
Total Length: |
8.215 miles |
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Length (No. Part): |
5.951 miles (north of Shelby) |
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Length (So. Part): |
2.264 miles (south of Shelby) |
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Map: |
Route Map
of OLD US-31 (Oceana) |
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Notes: |
OLD US-31 in Oceana Co follows Oceana Dr,
the former route of US-31 prior to the completion of the US-31 freeway to the west between 1975 and 1980. At first, none of the
former route of US-31 along Oceana Dr was turned back to local
control, however MDOT has been working with the Oceana Co Road
Commission and the local municipalities since 2000 and several
segments of the old route have now been transferred. The remaining
segments run from M-20 north of New Era northerly to the southern
city limit of Shelby and from the northern limit of Shelby northerly
to the Pentwater River bridge at Hart, making OLD US-31 a two-segment,
discontinuous route at present. |
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With the progress MDOT has made in turning
back segments of OLD US-31 in northern Muskegon and Oceana Cos
since 2000, it could be surmised that the remaining 8.2 miles of
OLD US-31 in Oceana Co will be transferred to local control in
the coming years, marking and end to this longstanding unsigned
trunkline route. |
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History: |
1975 - Two US-31 freeway developments in Oceana and northern Muskegon Counties:
- (Apr 16) -
An 18.09-mile long northerly extension of the US-31 freeway from
just north of the Fruitvale Rd interchange north of Montague
northerly to Polk Rd west of Hart is officially determined as
a state trunkline highway routing. The freeway is not yet complete
at this time, however, and would be opened in two stages, the
first of which would come later in the year. Also transferred
to state control on this date is Polk Rd itself from the new
US-31 freeway interchange easterly to State St and State northerly
from Polk to Lincoln St, ostensibly for a new BUS US-31 route
once the freeway is completed and is likely not signed in the
field at this time.
- Later
in 1975, the first stage of the US-31 freeway
extension into Oceana Co opens from the northern end of the completed
freeway three miles north of Montague to the new M-20 extension
at Stoney Lake Rd near New Era, where US-31 temporarily
turns easterly via the M-20 extension back to its former alignment.
The former US-31 routing via Whitehall Rd in Muskegon Co (north
of B-15/B-23/Fruitvale
Rd) and OLD US-31/Oceana Dr in Oceana Co becomes an unsigned
state trunkline as OLD US-31.
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1976 - Two more US-31 freeway
developments in Oceana Co:
- Another
new portion of US-31 freeway
is completed and opened to traffic from M-20 at
New Era northerly to Polk Rd west of Hart. There, US-31 traffic
is routed easterly via Polk Rd to the existing US-31.
OLD US-31/Oceana Dr from M-20 northerly
through Shelby to Polk Rd at Hart becomes an extension of the
unsigned state trunkline.
- (Dec 14) -
With constrution yet to begin in earnest, a 5.66-mile long extension
of the US-31 freeway
in Oceana Co from Polk Rd at Hart northerly to just north of
the BUS
US-31/Monroe Rd interchange southeast of Pentwater is officially
determined as a state trunkline. This portion of the freeway
would not open for nearly two years.
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1978 -
The US-31 freeway is extended northerly 5½ miles from Polk Rd
at Hart to the southern leg of BUS
US-31 (at the Monroe Rd interchange) southeast of Pentwater
and US-31 is temporarily directed easterly via Monroe Rd (formerly
part of BUS US-31)
back to its previous route at Oceana Dr. OLD US-31/Oceana Dr from
Polk Rd at Hart northerly to Monroe Rd becomes yet another extension
of the unsigned "OLD US-31" state trunkline, as does Polk Rd from
the US-31 freeway easterly to Oceana Dr/OLD US-31. |
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1980 (Oct 16-21) -
The US-31 freeway in Oceana Co is extended northerly from the southern
leg of BUS US-31 (at
the Monroe Rd interchange) southeast of Pentwater to the northern
jct of BUS US-31 & US-31 on the Oceana/Mason Co line, where the new freeway merges back
down into the existing two-lane alignment of Pere Marquette Rd
just inside Mason Co. This designation is official on October 16
and the freeway likely opens to traffic at this time. OLD US-31/Oceana
Dr between the junctions of BUS
US-31 east of Pentwater becomes an extension of the existing
unsigned state trunkline. |
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2000 (Nov 9) -
All 1.08 miles of OLD US-31/First St (Oceana Dr) within the Village
of New Era and the 1.83 miles of OLD US-31/State St in the City
of Shelby are turned back to local control. |
|
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2001 (Oct 9) -
The two miles of OLD US-31/Oceana Dr from the Muskegon/Oceana Co
line northerly to the south village limit of Rothbury in southern
Oceana Co are turned back to local control. |
|
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2002
(Mar 20) -
Two segments of OLD US-31/Oceana Dr are transferred
to local control on this date: 2½ iles from the north village
limit of Rothbury to the south village limit of New Era and
0.37 miles from the north village limit of New Era to M-20. |
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|
2003 (July 3) - The 1.96-mile long stretch
of OLD US-31/Whitehall Rd in northern Muskegon Co from jct BUS
US-31 & B-15 north
of Montague northerly to the Muskegon/Oceana Co line is turned
back to local control. |
|
|
2005 (Aug 3) -
An additional 8.4 miles of OLD US-31/Oceana Dr in Oceana Co is
turned back to local control: beginning at the north end of the
South Branch Pentwater River bridge north of Hart and continuing
northerly to the north jct of BUS
US-31 & US-31 on the Oceana/Mason Co line. Also transferred
on this date is the 1.11-mile long segment of OLD BUS US-31 along
Monroe Rd between US-31 and OLD US-31/Oceana Dr, also in northern
Oceana Co. |
|
 |
Western Terminus: |
Jct
BUS US-31 at cnr Russell St-Polk Rd & S State St-Water Rd on the
south side of Hart |
Eastern Terminus: |
Cnr
OLD US-31/Oceana Dr & Russell St-Polk Rd on the southeast side
of Hart |
Length: |
0.380 miles |
|
Map: |
Route Map
of OLD US-31 (Hart) |
|
Notes: |
This
segment of OLD US-31 runs along Polk Rd (Russell St) at Hart and
was originally to be a temporary routing for US-31 as the existing
US-31 freeway made its way northerly through Oceana Co in the late
1970s. Polk Rd was transferred from local to state control in the
late-1970s when the US-31 freeway was completed to Polk Rd west
of Hart. Traffic was shunted off the new freeway and easterly via
Polk Rd to Oceana Dr, the existing route of US-31. However, when
the US-31 freeway was completed from Polk Rd northerly toward Pentwater
and the temporary US-31 routing along Polk (east of State St in
Hart, as the portion to the west was earmarked to be part of a
new BUS
US-31 routing) was not transferred to local control and
became an unsigned/old state trunkline, which it remains to this
day. |
|
History: |
1976 - A
new portion of US-31 freeway is completed and opened to traffic from M-20 at
New Era northerly to Polk Rd west of Hart. There, US-31 traffic is routed
easterly via Polk Rd to the existing US-31. |
|
|
1977 (Mar 23) -
The 0.37 mile portion of Polk Rd at Hart from State St easterly
to Oceana Dr is "temporarily" transferred to state control
on this date, primarily because Polk Rd is now operating as the
temporary connector between the northern end of the new US-31 freeway
west of Hart and the existing highway along Oceana Dr southeast
of downtown. (As of the present day, this "temporary" connector remains an unsigned trunkline route.) |
|
|
1978 -
The US-31 freeway is extended northerly 5½ miles from Polk Rd
at Hart to the southern leg of BUS
US-31 (at the Monroe Rd interchange) southeast of Pentwater
and US-31 is temporarily directed easterly via Monroe Rd (formerly
part of BUS US-31)
back to its previous route at Oceana Dr. OLD US-31/Oceana Dr from
Polk Rd at Hart northerly to Monroe Rd becomes yet another extension
of the unsigned OLD US-31 state trunkline, as does Polk Rd from
the US-31 freeway easterly to Oceana Dr/OLD US-31. |
|
|
1987 - A new "spur" business
routing debuts as BUS
US-31 via Polk Rd and State St into downtown Hart. |
|
 |
Southern Terminus: |
Southernmost
extent of the US-31/BL
I-196 & Washington Ave/Blue Star Hwy interchange
on the south side of Holland |
Northern Terminus: |
Cnr
Washington Ave & Matt Urban Dr, 8/10th mile north of the US-31/BL
I-196& Washington/Blue Star interchange on the south side of Holland |
Length: |
0.793 miles |
|
Map: |
Route Map
of OLD US-31BR (Holland) |
|
Notes: |
OLD
US-31BR in Holland is the only remnant of the former BUS
US-31/BL
I-196 routing through downtown Holland which was turned back to
local control in September 2004. While the rest of the business
route through town was transferred to the city, MDOT kept this
8/10th mile segment of the former BUS
US-31 reportedly to accommodate
a future reconstruction of the US-31 interchange, once the proposed
US-31 "bypass" through Ottawa Co is completed in c.2020. |
|
History: |
2004
(Sept 9) - The portion of BUS
US-31/BL
I-196 along Washington
Ave from Matt Urban Dr northerly toward downtown Holland is turned
back to local control on this date. While the BL
I-196 routing
is technically transferred to the US-31 bypass of Holland at
this time, it will go unsigned for the next few years. The remaining
segment of the former BUS
US-31 route from Matt Urban Dr southerly
through the US-31 interchange is retained as an unsigned trunkline
route. |
|
  |
NORTH SEGMENT: |
Southern Terminus: |
Pere Marquette Hwy at the north limits of the Village of Pentwater just south of the Pentwater Twp Cemetery
|
Northern Terminus: |
US-31 at the Oceana Dr interchange (Exit 158) northeast of Pentwater
|
Former Length: |
3.141 miles* |
SOUTH SEGMENT: |
|
Southern Terminus: |
US-31 at the Monroe Rd interchange (Exit 154) southeast of Pentwater |
|
Northern Terminus: |
Monroe Rd at the east limits of the Village of Pentwater near the intersection of Old State Rd |
|
Former Length: |
2.208 miles |
|
Former Total Length: |
5.349 miles* |
|
Map: |
Route Map
of OLD US-31BR (Pentwater) |
|
Notes: |
Pentwater's BUS US-31 officially ceased to exist as of May 4, 2023 when the 1.948-mile portion of the route within the village limits—which consisted of 0.21 mile of Monroe Rd, 0.66 mile of Sixth St and 1.08 miles of Hancock St—was transferred to village control. The remaining "spurs" of the former BUS US-31 route north and southeast of Pentwater remained as unsigned state trunklines, known internally to MDOT as OLD US-31BR. The two unsigned trunkline segments were then transferred to county control exactly two weeks later and OLD US-31BR ended its 14-day existence. The jurisdictional transfers end almost 68 years of BUS US-31 through Pentwater and nearly 104 years of the route as a trunkline route under state jurisdiction. |
|
Notes: |
*The length of the North Segment of OLD US-31BR at Pentwater included the 0.183 miles (966.24 feet) of the extremely short portion of OLD US-31/Pere Marquette Hwy between the Oceana Dr & Pere Marquette Hwy intersection and the Oceana/Mason Co line. Apparently when the former route of US-31 along Pere Marquette Hwy in Mason Co was transferred to county control in 2003, the 0.183 miles (966.24 feet) portion of that roadway which fell in Oceana County was not included and that short stub of highway remained under MDOT jurisdiction until it was transferred to the county along with OLD US-31BR. The "total length" similary includes this short stub as part of the total. |
|
History: |
2023 (May 4) – The portion of BUS US-31 within the Village of Pentwater is transferred to village control and is no longer a state trunkline route. The remaining "spurs" of the former BUS US-31 route north and southeast of Pentwater have their route markers removed and become a two-segment, discontinuous route, known internally at MDOT as OLD US-31BR. The official routings for the Lake Michigan Circle Tour and the West Michigan Pike Historic Byway are shifted to run along mainline US-31 between Exits 154 and 158. |
|
|
2023 (May 18) – The remaining 5.349 miles of what was temporarily OLD US-31BR—the portions of the old BUS US-31 outside the Pentwater village limits as well as a 0.183 mile (966.24 foot) segment of OLD US-31 along Oceana Dr from the former BUS US-31 northerly to the Oceana/Mason Co line—are transferred to county control, exactly two weeks to the day the portion of the route within the village was transferred to village control. MDOT plans to remove all non-freeway BUS US-31 route signage at Pentwater during the summer of 2023 with modifications to the freeway exit signage being examined as well. |
|
  |
Former
Western Terminus: |
W Main St-16 Rd & Sturtevant Ave-41½ Rd on the west Manton city limit. |
Former
Eastern Terminus: |
Main St & BUS US-131/Michigan Ave in downtown Manton. |
Former Length: |
0.497 miles |
|
Map: |
Route Map of OLD M-42 |
|
Notes: |
All of M-42 from Manton westerly to its former western terminus at M-37 was transferred to county control in June 2007. After more than 85 years as a state trunkline highway, the 14.39 miles of 16 Rd from the west city limit of Manton westerly to M-37 was be turned back to the Wexford Co Road Commission. The 0.497-mile portion of W Main St from BUS US-131/Michigan Ave to the west city limit was not transferred, however, and became an unsigned state trunkline highway as OLD M-42. |
|
|
As noted in the History timeline below, in the fall of 2018, OLD M-42 was transferred to the City of Manton and is no longer a state trunkline highway.
|
|
History: |
2007 (June 6) - As noted in the "Notes" section above, the 14.39 miles of M-42 from M-37 at Mesick easterly to the western Manton city limit are transferred to county control. The 0.497 miles of M-42 along W Main St from the west Manton city limit easterly to BUS US-131/Michigan Ave becomes unsigned as OLD M-42, while the 0.494 miles of what had been concurrently designated M-42 and BUS US-131 along Michigan Ave retaining just the latter designation. The western terminus for M-42 is now at the Michigan Ave (BUS US-131 northerly) & 7th St (BUS US-131/M-42 easterly) intersection on the south side of Manton. |
|
|
2018 (Fall) – In the fall of 2018, the almost ½ mile-long, unsigned OLD M-42 trunkline route in Manton along W Main St west of BUS US-131/Michigan Ave to the west city limit is transferred to city control and is no longer a state trunkline highway. |
|
|
Western Terminus: |
Jct US-131 & M-43 at US-131 Exit 38A-B west of Kalamazoo in eastern Oshtemo Twp |
Eastern Terminus: |
Cnr W Main St & Douglas Ave in Kalamazoo
|
Length: |
3.229 miles
|
Map: |
Route Map of OLD M-43 |
|
Notes: |
In 2019, every through trunkline route in Kalamazoo—BL I-94, BUS US-131 and M-43—as well as the unsigned M-331 were all turned back to local control by MDOT after many, many years of discussion between City and MDOT planners and engineers. City staffers had long sought to eliminate what they termed as "confusing" one-way streets through the heart of downtown Kalamazoo as well as trying to limit or eliminate large trucks from traversing through the city. MDOT, on the other hand, had long stuck to its mandate to provide a smoothly-operating network of arteries, minimizing delays and congestion. The two sides could never come to a satisfactory solution so, in 2018, MDOT staff in Southwest Region finally gave up and acquiesced to the City's demands by agreeing to transfer all downtown trunkline highway routes to local control. As of January 7, 2019, the downtown trunklines became city streets. To retain "route connectivity," MDOT decided to reroute M-43 along US-131 from Kalamazoo to Plainwell, then southeasterly concurrently with M-89 to Richland where it meets back up with the existing route. Unfortunately, this left several "stub routes" terminating at random locations around the city. MDOT employed three different strategies to deal with this:
- Retaining the existing route designation, which is the case for the northern "stub" of BUS US-131 from US-131 Exit 41 to the northern Kalamazoo city limit. It remains BUS US-131, but is a spur route now instead of being a complete loop route through the city.
- Removing any signed designation and maintaining the route as an unsigned state trunkline, as was the case with the former BL I-94 segment along King Hwy from M-96 to Mills St, the former BL I-94/BUS US-131 segment along Stadium Dr from US-131 at Exit 36 to Rambling Rd, and the former M-43 along W Main St from US-131 at Exit 38 easterly to Douglas St.
- Assigning a new route desigation, as was done to the former segment of M-43 along Gull Rd from Richland southwesterly to Riverview Dr northeast of downtown Kalamazoo. This portion of highway was designated M-343 by MDOT Southwest Region staffers in early 2019. Also, the stub of what had been BL I-94 east of the city is redesigated as BS I-94 (Business SPUR I-94).
|
|
History: |
2019 (Jan 7) – The Kalamazoo City Commission agrees to the Memorandum of Understanding from MDOT on the conditions of the trasfer of the affected streets in the city, thereby removing them from the state trunkline highway system and transferring them to the city primary street system. For M-43, this affects the entire route from Douglas St west of downtown to the intersection of Riverview Dr & Gull Rd/Gull St northeast of downtown, including the one-way pair of Michigan Ave (eastbound) and Kalamazoo Ave/Douglas St (westbound) through the heart of the city. |
|
|
2019 (June 3–7) – MDOT crews remove the state trunkline route markers from both the transferred roadways in dowtown Kalamazoo as well as along those segments which will remain as unsigned state trunkline routes. Thus, in the field, M-43 becomes a two-segment, disconnected route with route markers trailing off northeast of downtown Kalamazoo and picking back up at the western edge of the city at US-131. At this point, the portion of what had been designated as M-43 along W Main St from Douglas St west of downtown Kalamazoo westerly to US-131 west of the city becomes an unsigned state trunkline highway as OLD M-43. Additionally, the E Michigan Ave bridge spanning the Kalamazoo River on the east side of downtown also remains on the state highway system as E MICHIGAN AVE. |
|
 |
Western Terminus: |
At cul-de-sac at the Grand River (at site
of former M-45 Grand River bridge) in Tallmadge Twp between Allendale
and Walker |
Eastern Terminus: |
M-45/Lake Michigan Dr near the intersection
of 26th Ave in Tallmadge Twp between Allendale
and Walker |
Length: |
1.306 miles |
|
Map: |
Route Map
of OLD M-45 (Ottawa) |
|
Notes: |
As
noted in the history section below, OLD M-45 in Ottawa Co, also
known as Riverhill Dr, is the bypassed segment of the former route
of M-45 which was relocated to the south in 2001-02. |
|
History: |
2001-02 -
MDOT completes a major upgrade to M-45 from
Walker westerly past the Grand Valley State University campus
to downtown Allendale, mostly upgrading the route to four-lane
divided highway, some on new alignment, including a brand new
pair of Grand River bridges. The eastbound lanes open in late
2001 with two-way traffic sharing the roadway, while the westbound
lanes are completed in early 2002. The existing Grand River bridge
east of the GVSU campus is removed, while the portion of former M-45 west
of the river becomes an access road for 40th Ave. The former M-45 east
of the river is initally named "Old M-45" but later
the name is changed to Riverhill Dr. The
former route of M-45 remains
an unsigned state trunkline as OLD M-45. |
|
 |
Western Terminus: |
M-55/M-115 at cnr Sunnyside Dr & Cadillac
Hwy on the west side of Cadillac |
Eastern Terminus: |
BUS
US-131/Mitchell St at cnr Granite-Paulster
Sts & S Mitchell St on the south side of downtown Cadillac |
Length: |
2.762 miles |
|
Map: |
Route
Map of M-55 (Wexford—West Segment) |
|
Notes: |
This segment of unsigned/old trunkline is
the former route of M-55 from downtown Cadillac westerly along
the south shore of Lake Cadillac to M-115 on the west side of town.
When the first phase of the US-131 "Cadillac Bypass" was completed
and opened to traffic from BUS
US-131 south of the city northerly
to M-55 east of town in 2000, MDOT rerouted M-55 out of downtown
Cadillac via M-115 southeasterly to the US-131 freeway then northerly
along the freeway to the new Exit 180 interchange east of downtown.
The standalone portions of M-55 through Cadillac then became unsigned
trunklines with this portion being that part west of BUS
US-131/Mitchell
St. |
|
|
MDOT had reportedly attempted to turn back
this segment of OLD M-55 in c.2002 or 2003 but was refused by the
City of Cadillac. |
|
History: |
2000 (Nov 1) - The first
2.9 miles of the "Cadillac
Bypass" opens to traffic and while that freeway would eventually
bear the US-131 designation,
for the next year, it will only be signed as a rerouted M-55.
From the north end of the opened freeway about 1.5 miles east of
downtown Cadillac, M-55 now
turns southwesterly via the new freeway (joining with US-131 at
Exit 177) to M-115 at
Exit 176, then runs concurrently with M-115 northwesterly
back to the former route of M-55 in
the "Lakes Area" on the
west side of Cadillac. The former portions of M-55 along
E Division St, E Cass St, Granite St and Sunnyside Dr becomes an
unsigned state trunkline designated OLD M-55. The formerly concurrent US-131/M-55 via
Mitchell St in downtown Cadillac between Granite St and E Cass
St remains only US-131. |
|
|
2001 (Oct 30) - The remainder
of the US-131 "Cadillac
Bypass" is opened to traffic on this day from the M-55 EAST
interchange (Exit 180) northerly to existing US-131 north of Cadillac.
US-131 now officially joins M-55 on the portion of the freeway
opened November 1, 2000 between Exits 177 and 180. |
|
 |
Western Terminus: |
East
city limit of Cadillac along E Division St east of the Crosby Rd
intersection |
Eastern Terminus: |
Jct
US-131 & M-55 (at US-131 Exit 180) east of Cadillac |
Length: |
0.044 miles |
|
Map: |
Route
Map of M-55 (Wexford—East Segment) |
|
Notes: |
This
segment of unsigned/old trunkline is the former route of M-55 left
over from when that highway continued westerly into downtown Cadillac
via Division and Cass Sts prior to the completion of the US-131 "Cadillac
Bypass." While the portion of the former route of M-55 from BUS
US-131/Mitchell
St eaterly to the east city limit wast transferred to the city in late-2003,
this 0.044-mile long segment remains an unsigned trunkline. |
|
History: |
2000 (Nov 1) - The first
2.9 miles of the "Cadillac Bypass" opens to traffic and
while that freeway would eventually bear the US-131 designation,
for the next year, it will only be signed as a rerouted M-55.
From the north end of the opened freeway about 1.5 miles east of
downtown Cadillac, M-55 now
turns southwesterly via the new freeway (joining with US-131 at
Exit 177) to M-115 at
Exit 176, then runs concurrently with M-115 northwesterly
back to the former route of M-55 in
the "Lakes Area" on the west side of Cadillac. The former
portions of M-55 along
E Division St, E Cass St, Granite St and Sunnyside Dr becomes an
unsigned state trunkline designated OLD M-55. The formerly concurrent US-131/M-55 via
Mitchell St in downtown Cadillac between Granite St and E Cass
St remains only US-131. |
|
|
2003
(Dec 4) - The portion
of OLD M-55 along E Cass St from BUS
US-131/Mitchell St easterly
to E Division St and along E Division from Cass to the east city
limit of Cadillac just west of the US-131 interchange at Exit
180 is transferred to city control. This just leaves the 0.044-mile
long segment of OLD M-55 from the east Cadillac city limit easterly
to the US-131 interchange as an unsigned state trunkline. |
|
 |
Western Terminus: |
M-55 in
central Roscommon Co, just southwest of jct I-75 & M-55 (Exit
227) |
Eastern Terminus: |
Jct I-75 & M-55 (Exit
212) west of West Branch |
Length: |
11.992
miles |
|
Map: |
Route Map
of OLD M-55 (Roscommon-Ogemaw) |
|
Notes: |
This
segment of unsigned/old trunkline is the former route of M-55 between
Prudenville and West Branch superceded by I-75 in the early-1970s.
The route of M-55 was transferred onto the new freeway, however the
former route was retained as an unsigned trunkline as OLD M-55. |
|
History: |
1973 - The final segment of the
I-75 freeway in Michigan is completed and opened to traffic between
West Branch and Roscommon. Between the Maple Valley and West Branch
areas, the M-55 routing is transferred onto the newly opened I-75
while the old route becomes an unsigned state trunkline as OLD
M-55. |
|
 |
Western Terminus: |
Cnr Auburn Rd & Adams Rd on the Aurburn
Hills/Rochester Hills city limit |
Eastern Terminus: |
Cnr Auburn Rd & M-150/Rochester Rd in Rochester Hills
|
Length: |
3.984 miles |
|
Map: |
Route Map
of OLD M-59 |
|
Notes: |
This
segment of unsigned/old trunkline is the last portion of the former
route of M-59 between
Pontiac and Utica yet to be transferred to local control. The M-59 freeway between Opdyke Rd on the eastern edge of Pontiac and Mound
Rd west of Utica was completed in the late-1960s and early-1970s,
however the former route of M-59 along Auburn Rd remained an unsigned/old
trunkline routing for many years. The portion within the City of
Auburn Hills has been transferred to the city, however the four
miles of Auburn across the a good portion of the City of Rochester Hills has yet to be
and it is unclear when such a transfer may take place, although the easternmost third of the former route was finally transferred in the fall of 2018. |
|
History: |
1967 (Oct 8) - The first
segment of the M-59 freeway
opens from Opdyke Rd on the eastern limits of Pontiac easterly
to Auburn Rd just west of Rochester Rd. The portion of old M-59 along
Auburn Rd from Opdyke Rd to the eastern end of the freeway is retained
as an unsigned state trunkline, designated "OLD M-59." Opdyke Rd
between Auburn Rd and the new freeway temporarily becomes M-59. |
|
|
1972 (Dec 6) - The remainder
of the M-59 freeway is completed from Auburn Rd in Avon Twp (now
Rochester Hills) to Mound Rd west of Utica. The former routing
of M-59 along Auburn Rd becomes an extension of the unsigned OLD
M-59 trunkline route. |
|
|
2000 (Sept 11) -
The portion of OLD M-59 along Auburn Rd within the City of Auburn
Hills from Opdyke Rd on the west to Adams Rd on the east is turned
back to local control. This segment of Auburn Rd had been bypassed
by the M-59 freeway in 1966. |
|
|
2018 (Fall) – The two-mile long segment of OLD M-59 along Auburn Rd in Rochester Hills from M-150/Rochester Rd easterly to Dequindre Rd on the Oakland/Macomb Co line is transferred to local control. |
|
|
Former
Western Terminus: |
Loud
Dam Rd (at site of former intersection of M-65 & Loud Dam Rd) approximately ½ mile west of the AuSable River bridge. |
Former
Eastern Terminus: |
End
of roadway at the (1930) AuSable River bridge. |
Former Length: |
0.468
miles |
Map: |
Route Map
of OLD M-65 |
|
Notes: |
This
short segment of roadway, less than one-half mile in length, was
the remnant of the former route of M-65 south
and west of the 1930 steel truss bridge which, until late 2004,
carried M-65 over
the AuSable River at this location adjacent to the Five Channels
Dam. A brand new span was built just downstream from the older
one, necessitating new approach roadways and a general realignment
of
M-65 in the
area of the crossing. While the 1930 bridge remains as a pedestrian
crossing, a portion of the former M-65 route
from just west of the bridge westerly to the former intersection
of
M-65 & Loud
Dam Rd remained on the trunkline system as an unsigned state highway until early 2006.
From the former Loud Dam Rd intersection southwesterly to the intersection
of M-65 and
River Rd, the old highway was obliterated. A new connector roadway
between M-65 relocated
and OLD M-65 was built and was also part of the unsigned trunkline
route. |
|
History: |
2004 (Oct 8-13) -
In conjunction with the construction of a new 760-foot long AuSable
River bridge in Iosco Co, two miles of realigned M-65 are opened
to traffic with a ribbon-cutting ceremony on the 13th. The historic
truss bridge (see Weblinks below) remains as for pedestrian and
recreational use. The portion of the former route not obliterated
or abandoned as a public roadway remains an unsigned state trunkline
as OLD M-65. MDOT
Press Release. |
|
|
2006 (Mar 9) -
All 0.468 miles of OLD M-65 near the Loud Dam in northern Iosco
Co are transferred to local control, bringing to an end the 17-month
history of this unsigned/old state trunkline highway. |
|
Weblinks: |
M-65/AuSable
River Bridge - from MDOT: "This
rivetted Parker truss bridge has two main spans of 120 feet
each, and an overall length of 320 feet, making it one of the
longest of this type in the state." |
|
 |
Western Terminus: |
BL
I-69 in southeastern Clinton Co, north of Haslett |
Eastern Terminus: |
M-52 (at cnr N Main St & Lansing Rd) on
the north side of Perry |
Length: |
10.890 miles |
|
Map: |
Route Map
of OLD I-69 |
|
Notes: |
This particular unsigned/old trunkline routing runs parallel to the
I-69 freeway from BL
I-69 northeast of East Lansing northeasterly
past Shaftsburg and Perry, ending unceremoniously where Lansing
Hwy transitions from a state trunkline into a county road near
Morrice. This transition marks the location where the M-78 freeway
from Flint and Durand terminated and merged into the Lansing Rd
alignment. When the I-69 freeway
was constructed from 1989 through 1991, the westbound side of the
formerly divided highway was removed and the freeway was built
immediately north of old westbound lanes. Except through the Woodbury
Rd interchange, all of OLD I-69 runs along the former eastbound
lanes of TEMPORARY I-69 and, before that, M-78. |
|
|
While a the actual roadname of a portion of this unsigned/old state trunkline
is, indeed "Old M-78," the internal MDOT designation
for the route is OLD I-69, although I-69 itself never traversed the route. Instead the designation from 1973 through
1991 was TEMPORARY I-69. |
|
|
On
February 21, 2007, the 1.09 miles of OLD I-69 from M-52 at
Perry northeasterly to the former terminus of this unsigned
trunkline at the pre-1992 beginning of the I-69 (formerly M-78)
freeway near Morris were transferred from state to Shiawasse County
control. The unsigned/old state trunkline OLD I-69 now runs from
BL I-69 north of Haslett to M-52 at Perry. |
|
History: |
1987 - With the
opening of a new segment of I-69 freeway between US-127 and
Peacock Rd in southeastern Clinton County in late 1987, the I-69 designation is re-routed around the west and north
sides of Lansing before heading easterly along the six miles of new freeway. BetweenState and Peacock Rds, traffic from the newly completed freeway
segment is shifted back onto the original TEMP I-69 (formerly M-78)
lanes. The TEMP I-69 designation via I-96, I-496 and US-127 around
the south and east sides of Lansing is removed. At the same time,
the remainder of the TEMP I-69 routing from US-127 on
the Lansing/East Lansing city limits northeasterly to the new Exit
94 is redesignated as part of a new BL
I-69. The former route of TEMP I-69 along Old M-78 from the
new BL I-69 northeasterly to the end of this new freeway segment
becomes an unsigned state trunkline designated OLD I-69. |
|
|
1991 - The last 11 miles
of freeway under construction northeast of Lansing are opened to
traffic. The westbound lanes of the new I-69 freeway
from Peacock Rd in southeastern Clinton Co to Morrice near Perry
were actually opened in stages beginning in 1989 and 1990, with
the entire freeway completed in 1991. The makeup of Lansing Hwy,
the former routing of TEMP I-69 (and M-78 before
that) is changed with the completion of the freeway. The westbound
lanes of the divided highway were removed to make room for the
eastbound lanes and right-of-way of the new freeway, so two-way
traffic is now maintained on the former eastbound side of TEMP
I-69. The portion of Old M-78 and Lansing Hwy formerly designated
as TEMP I-69 is now an unsigned trunkline designated "OLD I-69." |
|
|
2007 (Feb 21) -
The 1.09 miles of OLD I-69 from M-52 at
Perry northeasterly to the former terminus of this unsigned trunkline
at the pre-1992 beginning of the I-69 (formerly M-78)
freeway near Morrice are transferred from state to Shiawasse County
control. |
|
 |
Southern Terminus: |
Cnr
Kloha Rd & the former route of M-84/West Side Saginaw Rd in Bay
Co's Frankenlust Twp, between Bay City and Saginaw. |
Northern Terminus: |
Cnr
Amelith Rd & the former route of M-84/West Side Saginaw Rd in Bay
Co's Frankenlust Twp, between Bay City and Saginaw. |
Length: |
0.298 miles |
|
Map: |
Route
Map of OLD M-84 |
|
Notes: |
M-84 was
widened from a two-lane road into a four-lane boulevard from north
of Pierce Rd to Delta Rd in Kochville Township in Saginaw Co and
in Frankenlust Township in Bay Co. While most of the improvements
take place along the existing alignment of the route, the new boulevard "cuts
the corner" softening an existing curve along West Side Saginaw
Rd between Kloha and Amelith Rds north of the Saginaw
Valley State Univ campus. Where the new highway diverges from
the old, the old pavement was obliterated, however old M-84 remains
in service between Kloha and Amelith as a connecting local roadway
retained as an unsigned/old state trunkline route as OLD M-84. |
|
History: |
2004-05 - M-84 is
widened from a two-lane road into a four-lane boulevard between
Saginaw and Bay City. Where the new highway diverges from the old,
the old pavement is obliterated, however old M-84 remains
in service between Kloha and Amelith as a connecting local roadway
retained as an unsigned/old state trunkline route as OLD M-84. |
|
 |
Western Terminus: |
US-131 at Exit 36 southwest of Kalamazoo in Oshtemo Township
|
Eastern Terminus: |
Cnr Stadium Dr & Rambling Rd southwest of downtown Kalamazoo |
Length: |
1.643 miles
|
|
Map: |
Route Map
of OLD I-94BL/US-131BR |
|
Notes: |
In 2019, every through trunkline route in Kalamazoo—BL I-94, BUS US-131 and M-43—as well as the unsigned M-331 were all turned back to local control by MDOT after many, many years of discussion between City and MDOT planners and engineers. City staffers had long sought to eliminate what they termed as "confusing" one-way streets through the heart of downtown Kalamazoo as well as trying to limit or eliminate large trucks from traversing through the city. MDOT, on the other hand, had long stuck to its mandate to provide a smoothly-operating network of arteries, minimizing delays and congestion. The two sides could never come to a satisfactory solution so, in 2018, MDOT staff in Southwest Region finally gave up and acquiesced to the City's demands by agreeing to transfer all downtown trunkline highway routes to local control. As of January 7, 2019, the downtown trunklines became city streets. To retain "route connectivity," MDOT decided to reroute M-43 along US-131 from Kalamazoo to Plainwell, then southeasterly concurrently with M-89 to Richland where it meets back up with the existing route. Unfortunately, this left several "stub routes" terminating at random locations around the city. MDOT employed three different strategies to deal with this:
- Retaining the existing route designation, which is the case for the northern "stub" of BUS US-131 from US-131 Exit 41 to the northern Kalamazoo city limit. It remains BUS US-131, but is a spur route now instead of being a complete loop route through the city.
- Removing any signed designation and maintaining the route as an unsigned state trunkline, as was the case with the former BL I-94/BUS US-131 segment along Stadium Dr from US-131 at Exit 36 to Rambling Rd, and the former M-43 along W Main St from US-131 at Exit 38 easterly to Douglas St.
- Assigning a new route desigation, as was done to the former segment of M-43 along Gull Rd from Richland southwesterly to Riverview Dr northeast of dowtown Kalamazoo. This portion of highway was designated M-343 by MDOT Southwest Region staffers in early 2019. Also, the stub of what had been BL I-94 east of the city is redesigated as BS I-94 (Business SPUR I-94).
|
|
History: |
2019 (Jan 7) – The Kalamazoo City Commission agrees to the Memorandum of Understanding from MDOT on the conditions of the trasfer of the affected streets in the city, thereby removing them from the state trunkline highway system and transferring them to the city primary street system. For BL I-94, this affects the entire route from Ramblind Rd west of downtown to the intersection of Mills St east of downtown, including the one-way pair of Michigan Ave (eastbound) and Kalamazoo Ave/Michikal St (westbound) through the heart of the city. |
|
|
2019 (June 3–7) – MDOT crews remove the state trunkline route markers from both the transferred roadways in dowtown Kalamazoo as well as along those segments which will remain as unsigned state trunkline routes. Thus, in the field, BL I-94 is designated as BS I-94 (Business SPUR I-94) beginning at I-94 at Exit 81 east of the city and terminating at Mills St and the portion from Mills St westerly through downtown to Rambling Rd is now a city street. The portion of what had been designated as BL I-94 and BUS US-131 along Stadium Dr from Rambling Rd westerly to US-131 at Exit 36 becomes an unsigned state trunkline highway as OLD I-94BL/US-131BR. |
|
 |
Western Terminus: |
Cnr
Grand River Ave & 10 Mile Rd, 2/10 mile west of the M-5 &
Grand River Ave interchange in Farmington Hills (west of downtown
Farmington) |
Eastern Terminus: |
M-5 at
the eastern end of the M-5 freeway
in Farmington Hills (southeast of downtown Farmington) |
Length: |
4.343 miles |
|
Map: |
Route Map
of OLD BL I-96 |
|
Notes: |
One can trace this history of Farmington's
OLD I-96BL back to 1933 when the State Highway Department constructed
the first bypass of the city via Freedom Rd. This bypass for US-16 traffic was, oddly enough, for eastbound traffic only, while existing
US-16 along Grand River through the city remained available for
both directions of traffic. In 1957, the present-day M-5 freeway
bypass of Farmington was completed and signed as part of US-16 with the former route through the city becoming BUS US-16. Within
a few years, the bypass was co-signed as I-96 and in 1961 BUS US-16
though downtown Farmington was redesignated as BL I-96. Then in
October 1977 when the final portion of the Jeffries Frwy through
Livonia was completed, I-96 was transferred to its present routing
and the Farmington bypass was integrated into M-102 and the BL
I-96 routing through the city was removed and Grand River between
the M-102 (now M-5) junctions became the unsigned trunkline it
remains to this day. |
|
History: |
1976 - Six miles
of I-275 are completed
between the future I-96/Jeffries
Frwy near Plymoth and the jct of I-96 & I-696 in
Farmington Hills. Sources show this stretch of freeway is designated
only as I-275 pending
completion of the Jeffries Frwy through Redford Twp and Livonia.
I-96 is still signed along the "Farmington Cutoff," while
BS I-96 is still signed along Grand River from Farmington into
downtown Detroit. |
|
|
1977 - The biggest
changes to the route of I-96 in
14 years occur as the Jeffries Frwy is completed from M-39/Southfield
Frwy in Detroit, through Redford Twp and Livonia, to I-275 near
Plymouth. The I-96 designation
is applied to this freeway, then runs northerly concurrently with I-275 to
the former route of I-96 in
Farmington Hills. The former spur-route of I-96 around
Farmington is re-designated as an extension of M-102 (present-day M-5).
BL I-96 through downtown Farmington loses is posted route markers,
but is retained as an unsigned state trunkline designated OLD I-96BL. |
|
  |
Former
Western Terminus: |
I-96/Jeffries
Frwy at Exit 185 (jct I-96 & M-5)
in northwest Detroit |
Former
Eastern Terminus: |
Cnr Grand River Ave, Middle St & Cass
Ave in downtown Detroit. |
Former Length: |
7.08
miles |
Map: |
Route Map
of OLD I-96BS |
Notes: |
This unsigned/old state trunkline was the
route along Grand River Ave in Detroit was formerly the route of
M-16 into the city from the northwest until 1926, the route of
US-16 from 1926-1962 and then was designated BS I-96 from 1962
until 1977. At that point, the western half of BS I-96 became modern-day
M-5 while the remainder from I-96/Jeffries Frwy at Exit 105 southeasterly
into downtown Detroit became an unsigned trunkline as OLD I-96BS. |
|
|
There had been consideration to re-sign
this trunkline as a southeasterly continuation of M-5 into downtown
Detroit over the years, however as the trunkline had a "dangling end,"
meaning it does not connect with any other trunkline routes at
its eastern end and would likely need such a connection before
it route markers were again posted along Grand River here, it didn't happen for some time. While MDOT could've signed Grand Rive Ave as M-5 southeasterly
from I-96 at Exit 185 to the I-75/Fisher Frwy frontage streets (a "trunkline connection,"
if you will) leaving only the last few blocks as an unsigned trunkline
until any future jurisdictional transfers can be effected, it chose not to for several years. |
|
|
In
c.2000, MDOT moved
to more directly control the regular maintenance on the "surface" state
trunklines in the City of Detroit. Regular maintenance on all non-freeway
state highways within Detroit had long been contracted to the city,
but had begun to decline over the years. When MDOT re-took
control of maintenance, a few trunkline designation changes within
the city were made as well, some actual and some on paper. Beginning
with the 2001 Official Transportation Map, it seemed as if MDOT was
indicating that M-5 continued
southeasterly along Grand River Ave all the way into downtown Detroit,
supplanting the OLD BS I-96 unsigned trunkline designation. However,
the state made no attempt at signing this portion of Grand River
Ave as M-5 and it was later
learned that while the department has a general rule to not mark
unsigned state trunklines on its official transportation map, the
OLD BS I-96 extension of M-5 was
included as a red line (indicating state trunkline status) into
downtown Detroit for unknown (possibly political) reasons. Then during April–May 2016, as part of a signing and streetlighting upgrade, MDOT erected M-5 route markers along the entire OLD
BS I-96 portion of Grand River Ave from I-96/Jeffires Frwy (Exit 185) southeasterly into downtown Detroit at the cnr of Grand River Ave & Cass Ave, thus signalling the end of unsigned OLD BS I-96 as a hidden trunkline designation. |
|
History: |
1962 - The final
59 miles of I-96 freeway from the Eagle/Grand Ledge area past Lansing
and Howell to Brighton are completed and opened to traffic. As
of this time, all of US-16 in
the state of Michigan is "decommissioned" and all US-16 route
markers are taken down, ending a 36-year run for that route designation
in the state. However, since I-96 has not been completed into the
City of Detroit, the portion of Grand River Ave from the end of
the freeway southeast of downtown Farmington into downtown Detroit
is designated as BS I-96 ("Business Spur I-96"). |
|
|
1977 - The
Jeffries Frwy is completed from M-39/Southfield
Frwy in Detroit, through Redford Twp and Livonia, to I-275 near
Plymouth. The I-96 designation
is applied to this freeway, then runs northerly concurrently with I-275 to
the former route of I-96 in
Farmington Hills. The former spur-route of I-96 around
Farmington is re-designated as an extension of M-102 (present-day M-5).
BS I-96 from the
former end of I-96 to M-102/Eight
Mile Rd becomes part of the extension of M-102 (now
part of M-5), while the
portion of BS I-96 from Eight Mile Rd to I-96 at
Exit 185 is designated as M-5.
From the southeastern end of M-5,
BS I-96/Grand River Ave is retained as an unsigned state trunkline
as OLD BS I-96. |
|
|
2004 (Apr 1) -
The easternmost six or so blocks of OLD BS I-96 are transferred to
city control, truncating the trunkline back to a new terminus at the
cnr of Grand River Ave, Middle St & Cass Ave in downtown Detroit. Transferred
are Grand River Ave (Cass Ave to Washington Blvd), Washington Blvd
(Michigan Ave to Clifford St), Middle St (Grand River Ave to Clifford
St) and Clifford St (Middle St to Washington Blvd). |
|
|
2016 (Apr-May) – As part of a signing and streetlighting replacement project, M-5 route markers are installed along Grand River Ave in Detroit from the previous eastern terminus of M-5 at I-96/Jeffries Frwy (at Exit 185) along the unsigned state trunkline route (OLD
BS I-96) to the terminus of OLD
BS I-96 at the cnr of Grand River Ave & Cass Ave in downtown Detroit. OLD BS I-96 is now no longer a hidden or internal MDOT route designation. |
|
Weblinks: |
Downtown
Detroit Trunklines Map -
PDF map showing the official routings and termini of all state
trunklines in downtown Detroit. Many of these termini and some
of the trunklines themselves are unsigned, making this map
particularly helpful. |
|
 |
Southern Terminus: |
Cnr M-99/Carleton
Rd & Beck Rd (near Industrial Dr) in northern Hillsdale |
Northern Terminus: |
Cnr M-99/Carleton
Rd just southeast of the M-99 & Moore
Rd intersection in Hillsdale |
Length: |
0.681
miles |
|
Map: |
Route Map
of OLD M-99 (South Portion) |
|
Notes: |
This segment of unsigned/old state trunkline
is one of a pair of OLD M-99 routings between Hillsdale and Jonesville
resulting from the improvement of M-99 between those communities
in the mid-1970s. This section is the southern of the two portions
of OLD M-99, the other lying approximately 1/2 mile north of this
one on the opposite side of the highway. |
|
History: |
1975 (Mar 6) -
M-99 between Hillsdale and Jonesville is completely reconstructed,
largely on a new, modern alignment with less sharp turns and a
new sweeping curve on the south side of Jonesville. Two segments
of the former alignment to surive—e.g. that were not obliterated
by the new highway—remain as unsigned/old state trunklines,
both officially designated internally as OLD M-99. The segments
include Beck Rd on the north side of Hillsdale, looping west of
the new highway, and Beck Rd/St from south of Jonesville northerly
into the village, to the east of the new highway. |
|
 |
Southern Terminus: |
Cnr M-99/Carleton
Rd & Beck Rd southeast of the M-99 & Lake
Wilson Rd intersection between Hillsdale and Jonesville |
Northern Terminus: |
Cnr M-99/Olds
St & Beck St in Jonesville |
Length: |
1.430 miles |
|
Map: |
Route
Map of OLD M-99 (North Portion) |
|
Notes: |
This
segment of unsigned/old state trunkline is one of a pair of OLD
M-99 routings between Hillsdale and Jonesville resulting from the
improvement of M-99 between
those communities in the mid-1970s. This section is the northern
of the two portions of OLD M-99, the other lying approximately
1/2 mile south of this one on the opposite side of the highway. |
|
History: |
1975 (Mar 6) - M-99 between
Hillsdale and Jonesville is completely reconstructed, largely on
a new, modern alignment with less sharp turns and a new sweeping
curve on the south side of Jonesville. Two segments of the former
alignment to surive—e.g. that were not obliterated by the
new highway—remain as unsigned/old state trunklines, both
officially designated internally as OLD M-99. The segments include
Beck Rd on the north side of Hillsdale, looping west of the new
highway, and Beck Rd/St from south of Jonesville northerly into
the village, to the east of the new highway. |
|
 |
Southern Terminus: |
BL
I-94/BUS
US-127/M-50 at
the cnr of Francis (formerly Cooper) St & Louis Glic Hwy
in downtown Jackson |
Northern Terminus: |
M-106 at
cnr Cooper St & Francis St north of downtown Jackson |
Length: |
0.551 miles |
|
Map: |
Route Map
of OLD M-106 |
|
Notes: |
In
2004, both streets comprising the former one-way pair couplet of
M-106 on the
north side of downtown Jackson were converted to two-way traffic.
The former northbound side along Cooper (formerly Milwaukee) St
from Michigan Ave to Francis (formerly Cooper) St retained the M-106 designation
while the former southbound side along Francis (formerly Cooper)
St from Cooper (formerly Milwaukee) southerly to Glick Hwy became
an unsigned trunkline route. (See
note below, however, for additional explanation of "unsigned" status.) This
action essentially reverses the splitting of M-106 into
a one-way pair in Jackson in 1967. |
|
|
While
the former sbd M-106 along
Francis (formerly Cooper) St in Jackson is supposed to
be an unsigned state trunkline—a likely turnback candidate—either
a signing contractor of MDOT themselves
made a mistake when all new "OLD M-106" route marker
assemblies were posted along this
"unsigned" trunkline in 2004. An MDOT source
states the local MDOT office
has been notified and the errant signs may be removed at some point. |
|
History: |
2004 -
Both streets comprising the former one-way pair couplet of M-106 on
the north side of downtown Jackson are converted to two-way traffic.
The former northbound side along Cooper (formerly Milwaukee) St
from Michigan Ave to Francis (formerly Cooper) St retains the M-106 designation
while the former southbound side along Francis (formerly Cooper)
St from Cooper (formerly Milwaukee)
southerly to Glick Hwy becomes an unsigned trunkline route. |
|
 |
Southern Terminus: |
M-50/Brooklyn
Rd, 0.24 mile east of US-127 southeast of Jackson |
Northern Terminus: |
Cul-de-sac
at the north end of the roadway, 4/10th mile north of M-50/Brooklyn
Rd |
Length: |
0.426 miles |
|
Map: |
Route Map
of OLD US-127 (Jackson) |
|
Notes: |
This
unsigned/old trunkline was formerly a combination access road and
on-ramp leading from M-50 southeast of Jackson to nbd US-127 and
dates from the freeway's completion in 1959. For approximately
45 years, this ramp/frontage road remained unchanged until MDOT reconfigured the M-50/BUS
US-127 interchange off US-127, severing
the connection serving as the freeway on-ramp. This short dead-end
roadway is a prime candidate for transferring back to local control. |
|
History: |
2004 -
With the reconfiguring of the US-127 & M-50/BUS
US-127 interchange
southeast of Jackson, the former nbd US-127 on-ramp and frontage
road leading northerly from M-50/Brooklyn Rd immediately east of
the railroad line is truncated and now ends at a cul-de-sac. |
|
 |
So. Term. (Homer): |
Cnr Kalamazoo St & Homer St between
Lansing and East Lansing at end of US-127 nbd
off-ramp |
No. Term. (Homer): |
Cnr M-43 wbd/BL
I-69 wbd/Grand River Ave & Homer St between Lansing and
East Lansing at beginning of US-127 nbd
on-ramp |
So. Term. (Howard): |
Cnr Kalamazoo St & Howard St between
Lansing and East Lansing at beginning of US-127 sbd & I-496 on-ramp |
|
No. Term. (Howard): |
Cnr M-43 wbd/BL
I-69 wbd/Grand River Ave & Howard St between Lansing and
East Lansing at end of US-127 sbd
off-ramp |
|
Total Length: |
1.724
miles |
|
Length (Homer): |
0.851
miles |
|
Length (Howard): |
0.873
miles |
|
Map: |
Route Map
of OLD US-127 (Ingham) |
|
Notes: |
This
unsigned/old state trunkline routing actually consists of a one-way
pair of streets which truly run parallel to each other, one block
apart, and never actually meet. Homer St, the northbound roadway,
is the frontage road to the US-127 freeway running along the Lansing/East
Lansing municipal boundary and runs from Kalamazoo Ave on the south
to M-43/BL
I-69/Grand River Ave on the north. On the west side
of the freeway, Howard St runs southbound as a mirror image, from
Grand River on the north to Kalamazoo on the south. Both streets
became state trunklines while the State Highway Department planned
and built the present-day US-127 freeway during the late 1960s.
Once the mainline designation had been transferred up onto the
freeway upon completion, Homer & Howard remained on the trunkline
system, albeit unsigned, to the present. |
|
History: |
1966 (Nov 18) -
The new US-127 freeway from Cedar St at Mason to jct I-96 & I-496 is
determined and opened to traffic. The US-127 designation travels
northerly from Mason via the new freeway to I-96,
then continues northerly via I-496/M-78 into
Lansing/East Lansing, where the freeway ends and US-127 utilizes
the one-way pair of Homer & Howard Sts northerly to M-43/BUS
M-78 at Grand River Ave-Saginaw St. There, US-127 turns westerly
via M-43/BUS M-78/Grand
River Ave-Saginaw St to a terminus at US-27 at
Cedar-Larch Sts. |
|
|
1968 (Oct 22) -
The US-127 freeway from the on- and off-ramps at Kalamazoo St on
the Lansing/East Lansing border northerly into Clinton Co and to US-27 at
present-day I-69 Exit 87
is officially determined as a state trunkline, although the freeway
is not yet complete at this time. Homer & Howard Sts remain the
signed route for US-127/M-78. |
|
|
1969 -
A short segment of the US-127/M-78 freeway
on the Lansing/East Lansing line from south of Kalamazoo St to
Grand River-Saginaw is completed. Homer & Howard Sts, now the
frontage streets running parallel to this segment of the freeway
and the former route of US-127/M-78 since
late 1966, are both retained as unsigned/old state trunkline routes,
both designated OLD US-127. |
|
 |
Southern Terminus: |
Montcalm/Mecosta Co line along Northland
Dr between Howard City and Morley |
Northern Terminus: |
Jct M-20 & BUS
US-131 at the cnr of S State
St & Perry Ave in Big Rapids |
Length: |
16.071 miles |
|
Map: |
Route Map
of OLD US-131 (Mecosta) |
|
Notes: |
This particular segment of unsigned/old
state trunkline is simply an example of where a highway was relocated
onto a new, parallel freeway alignment but the former route has
yet to be turned back to local control. The present-day US-131 freeway
through Mecosta Co was completed in segments during the early 1980s
and as each segment was completed, the former route of US-131 along
Northland Dr south of Big Rapids was not turned back to local control
and, to this day, remains an unsigned trunkline designated OLD
US-131. |
|
History: |
1980 (Oct 21) -
A northerly extension to the route of the US-131 freeway from M-46/Edgar
Rd northerly to 19 Mile Rd northwest of Big Rapids is officially
assumed into the state trunkline system on this date, although
the freeway is only complete and open to 8 Mile Rd at Stanwood.
US-131 traffic utilizes 8 Mile Rd between the new freeway at Exit
131 to Northland Dr and 8 Mile is temporarily determined as a state
trunkline. The former route of US-131 via Federal Rd (Montcalm
Co) & Northland Dr (Mecosta Co) remains an unsigned state trunkline
designated OLD US-131. |
|
|
1983 -
An additional 11 miles of US-131 freeway is completed and opens
to traffic in Mecosta Co from B-88/8 Mile Rd (present-day M-20)
at Stanwood northerly to 19 Mile Rd northwest of Big Rapids. The
former route via 8 Mile Rd from the freeway at Exit 131 to Northland
Dr at Stanwood is turned back to local control, while the portion
via Northland Dr from Stanwood to the southern jct of M-20 at
Big Rapids remains an unsigned state trunkline as OLD US-131.
Site visitor John McDowell wrote in to say that
only the southbound bridge over the Muskegon River is complete when the freeway
opens—northbound traffic is forced off at 8 Mile Rd easterly to the former
route of US-131 via Northland Dr, northerly via Northland to 11 Mile Rd, and
westerly back to the new freeway where a temporary ramp provides access to the
northbound lanes. Thus, Northland Dr between 8 Mile and 11 Mile Rds actually
remains posted as US-131 (nbd only) for another year. |
|
|
1984 -
As noted above, the northbound Muskegon River bridge was not yet
complete in time for the opening of the US-131 freeway between
Stanwood and Big Rapids. It is completed and opened to traffic
this year allowing northbound traffic to continue straight through
at the 8 Mile Rd interchange. The temporary ramp at 11 Mile Rd
is removed and Northland Dr becomes a completely unsigned/old trunkline
routing as OLD US-131. |
|
 |
Southern Terminus: |
Jct BUS
US-131 at the cnr of Northland Dr
& 3 Mile Rd between Big Rapids and Paris |
Northern Terminus: |
Cnr Northland Dr-Mackinac Trail & Meceola Rd on the Mecosta/Osceola Co line between Paris and Reed City |
Length: |
5.040 miles |
|
Map: |
Route
Map of OLD US-131 (Mecosta-Osceola) |
|
Notes: |
This
particular segment of unsigned/old state trunkline is another
example of where a highway was relocated onto a new, parallel freeway
alignment but the former route has yet to be turned back to local
control. The present-day US-131 freeway
through northern Mecosta and southern Osceola Cos was completed
in the late 1980s and
the former route of US-131 along
Northland Dr and Mackinaw Trail between Big Rapids and Reed City
was not turned back to local control and, to this day, much of
it remains an unsigned trunkline designated OLD US-131. |
|
History: |
1986 - Eighteen
miles of new US-131 freeway are completed from B-96/19
Mile Rd northwest of Big Rapids past Reed City to the southern
end of the freeway southwest of Le Roy, thus completing the US-131 freeway from north of Schoolcraft to just south of Cadillac. The
former route from the 19 Mile Rd interchange easterly via 19 Mile
to Northland Dr becomes a northerly extension of the BUS
US-131 route at Big Rapids, while Northland Dr (Mecosta Co) & Mackinaw
Tr (Osceola Co) between 19 Mile Rd and BUS
US-10/Church St in Reed City becomes an unsigned state trunkline.
The portion of US-131/BUS
US-10 through Reed City retains the BUS
US-10 designation, while the portions which remain accessible
between Reed City and Ashton are turned back to local control. |
|
|
2005 (Feb 1) -
The segment of OLD US-131 along S Chestnut St from the southern
Reed City city limit northerly to BUS
US-10/Church St is turned back to city control. This former
trunkline was superceeded by the US-131 freeway when that route
was completed past Reed City in 1986. At this time, though, the
portion of OLD US-131 from the southern Reed City city limit into
Mecosta Co toward Big Rapids remains as a unsigned trunkline. |
|
|
2009 (June 17) -
The segment of OLD US-131 along Mackinac Trail from the southern
Reed City city limit southerly to Meceola Rd on the Mecosta/Osceola Co line is turned back to County jurisdiction. This former
trunkline was superceeded by the US-131 freeway when that route
was completed past Reed City in 1986. The
portion of OLD US-131 from the Osceola/Mecosta Co line southerly toward Big Rapids remains as a unsigned trunkline. |
|
 |
Southern Terminus: |
S Michigan Ave/Mackinae Trail at the Manton south city limit
|
Northern Terminus: |
Jct M-42 & BUS
US-131 at the cnr of Michigan
Ave & 7th St on the south side of Manton |
Length: |
0.256 miles |
|
Map: |
Route
Map of OLD US-131 (Wexford) |
|
Notes: |
This
particular segment of unsigned/old state trunkline was another example
of where a highway was relocated onto a new, parallel freeway alignment
but the former route had yet to be turned back to local control.
The present-day US-131 freeway
through eastern Wexford Co was completed
in 2003 and the former route of US-131 along
Mackinaw Trail between Cadillac and Manton
was not turned back to local control and
it remainsed an unsigned trunkline designated OLD US-131. |
|
|
This vast majority of this unsigned, former trunkline route was transferred to county control in the summer of 2018, leaving just a 0.256 mile stub on the south side of the City of Manton.
|
|
History: |
2003 (Sept 19, 10am) -
The so-called US-131 "Manton
bypass" is opened to traffic from the
north end of the freeway north of Cadillac to north of Manton,
just south of the Manistee River bridge in northeastern Wexford
Co. The former route of US-131 from the former end of the freeway
northerly to the south jct of M-42 at
Manton becomes an unsigned state trunkline highway as OLD US-131,
while the formerly concurrent US-131/M-42 becomes M-42/BUS
US-131 with the BUS
US-131 designation continuing northerly out of Manton via the
old route to the northern end of the freeway north of Manton. |
|
|
2005 (Autumn) -
More than two years after the US-131 freeway opened to traffic, the US-131 route markers along OLD US-131 between Cadillac and Manton
are finally removed, clearing up an annoying source of confusion
for motorists unfamiliar with the area. The US-131 freeway is now
the only route signed as US-131 and OLD US-131 is truly and
unsigned state trunkline. |
|
|
2015–16 – The 2.875-mile segment of OLD US-131 along Mackinaw Trail between BUS US-131 at the cnr of Boon (34) Rd & Mitchell St just north of Cadillac to just south of the US-131 overpass in northern Haring Twp is turned back to county control. This is the segment south of the northern end of the US-131 "Cadillac Bypass" segment—where the US-131 freeway temporarily terminated and merged back into the old US-131 route from October 2001 to September 2003. The remaining 5.773-mile portion of OLD US-131 in Wexford Co is the is part byapssed by the US-131 "Manton Bypass" in September 2003. |
|
|
2018 (July 2) – Nearly fifteen years after being bypassed by the "Manton Bypass" segment of the US-131 freeway between Cadillac and Manton, the 5.517-mile long portion of the former route of US-131 along Mackinaw Trail from south of the US-131 overpass in northern Haring Twp to the Manton south city limit, which had been maintained by MDOT as OLD US-131, an unsigned state trunkline highway, is finally turned back to county control. The Cadillac News chose to identify the occurence as a renaming of the roadway—from "Old 131" to "Mackinaw Trail"—althought the name of the road had always been Mackinaw Trail. It was simply that while it was an unsigned state trunkline route, MDOT referred to it by the route designation of OLD US-131. (Often, MDOT doesn't really grasp what the local roadname is of a state trunkline... or doesn't really care. There have been countless ocurrences of the department using the wrong name or simply ignoring the given name of a trunkline highway over the years. It's not just MDOT, though. Many average citizens don't understand the difference between a route designation and a road name for the same piece of roadway.) In any event, the transfer marked the end to 89 years of continual state ownership of this segment of roadway, which was constructed by the State Highway Dept in 1929 and paved in 1930. (The segment of OLD US-131 along S Michigan Ave between the south city limit of Manton and jct M-42 & BUS
US-131 at the cnr of Michigan
Ave & 7th St is not part of this transfer is remains an unsigned state trunkline route.) |
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Former
Western Terminus: |
Cnr
Weston St & Ionia Ave in downtown Grand Rapids |
Former
Eastern Terminus: |
Cnr
Weston St & Former BUS
US-131/S Division Ave in downtown Grand Rapids |
Former Length: |
0.121
miles / 638.8 feet / 2 blocks |
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Map: |
Route
Map of OLD US-131BR (Grand Rapids) |
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Notes: |
This
unsigned/old state trunkline route is a rather peculiar one with
an interesting history. Simply put, the two blocks of Weston St
in downtown Grand Rapids which make up this particular unsigned
trunkline are a segment of the former southbound side of BUS
US-131.
In 1962, an on-ramp to the new US-131 freeway through Grand Rapids
was constructed leading away from the western end of Weston St
at Ionia Ave. Sbd BUS
US-131 traffic along Division Ave turned
westerly onto Weston for two blocks which then dumped them directly
onto the freeway entrance for sbd US-131. Similarly, the nbd off-ramp
dumped traffic onto Oakes St, one block south of Weston, which
ran easterly for two blocks to Division Ave. However, due to the
construction of the Van Andel Arena in the mid-1990s, the ramp
connection from Weston to sbd US-131 was severed and sbd BUS US-131 itself was interrupted and became a discontinuous route for several
years. Then in conjunction with the "S-Curve 2000" project on US-131,
new ramps from the freeway were constructed intersecting with Oakes
St, which became two-way and now served both directions of BUS
US-131 in downtown Grand Rapids. Weston St remains as a vestige
of the former configuration and is a turnback candidate. |
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History: |
1995-96 - To
accommodate the construction of the Van
Andel Arena in downtown Grand Rapids, Weston Ave (sbd BUS
US-131)
from Ionia Ave westerly for approximately 1/2 block and southerly
for one block is vacated, while the northbound BUS
US-131 ramp "plugging
into" Oakes St at Ionia Ave remains untouched. The southbound
on-ramp to US-131 is
tied into eastbound Oakes St just east of Ottawa Ave, however Oakes
St itself is not "reconnected" to form a through street.
Since southbound BUS
US-131 traffic travelling westerly via Weston
St at Ionia Ave has no way to access the southbound US-131 on-ramp
(without travelling northerly via Ionia, westerly via Fulton St,
southerly via Ottawa Ave and easterly via the new Oakes St connection),
the route in that direction is effectively broken. The Van
Andel Arena officially opens on October 10, 1996, but sbd BUS
US-131 would remain discontinuous for more than three more years. |
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1999 (Dec 17) -
Construction, which began in May, to demolish the previous 'elevated'
ramp from nbd US-131 to
nbd BUS
US-131 at the cnr of Oakes St & Ionia Ave and replace
it with a new 'surface level' off-ramp, is completed and the ramp
opened on this day. The new BUS
US-131 ramp passes under the
Wealthy St overpass and hugs the freeway before passing through
an intersection with a newly-reconnected Cherry St then proceeding
northerly for another block to a new "T"-intersection
at Oakes St behind the Van
Andel Arena. Oakes St is restored not only as a two-way street,
but also as a through street between Ottawa Ave and Ionia Ave.
Both directions of BUS
US-131 now use Oakes St between the end
of the new freeway ramps and Division Ave and Division between
Oakes and Weston Sts. Weston St from Division Ave westerly two
blocks to Ionia Ave (the former sbd BUS
US-131) remains as an unsigned
state trunkline designated as OLD US-131BR, but now posted for two-way
traffic. |
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2017 (Aug 22) – To accommodate a two-block redevelopment on the south side of downtown Grand Rapids, the closing and vacating the segment of BUS US-131 between Cherry St and Oakes St south of the Van Andel Arena is required. MDOT comes to an agreement with the City of Grand Rapids to transfer several signed and unsigned state trunklines within the city, including the entirety of BUS US-131. From Cherry St to Oakes St, existing BUS US-131 is turned over to the City, which allows the City to sell the right-of-way to accommodate the new development. (The City will construct a one-block southerly extension of Ottawa Ave to the west to take the place of the former BUS US-131 between Cherry and Oakes.) The other segments of BUS US-131 turned back to city control are:
- Oakes St from BUS US-131 easterly to S Division Ave
- Division Ave from Oakes St northerly to Taylor Ave & Plainfield Ave
- Plainfield Ave from Taylor & Division northeasterly to Leonard St
- Leonard St from Plainfield Ave westerly to Turner Ave at the US-131 interchange (Exit 87)
- Turner Ave (US-131 service drive) between the sbd US-131 off- and on-ramps at Exit 87
- Scribner Ave (US-131 service drive) between the nbd US-131 off- and on-ramps at Exit 87
- The two blocks of Weston St between Ionia & Division Aves formerly part of sbd BUS US-131 until the mid-1990s (and unsigned since that time)
- The Michigan St bridge over N Division Ave
Thus, after 64 years, Grand Rapids' BUS US-131 route ceases to exist as a state trunkline highway route. (Additional trunkline transfers also take place at this time, including BS I-196 and OLD M-45 within Grand Rapids.) |
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Former
Western Terminus: |
Jct
M-153 at the cnr of Ford Rd, McGraw St & Wyoming Ave on the Detroit/Dearborn
city limit |
Former
Eastern Terminus: |
Jct
US-12 at the
cnr of Weir St & Michigan Ave, two blocks east of
Wyoming Ave in Detroit |
Former Length: |
0.206 miles |
Map: |
Route Map
of OLD M-153 |
Notes: |
Prior
to the construction of the Edsel Ford Expwy in the 1950s, the routing
for the eastern end of M-153 consisted of Ford Rd to Wyoming Ave,
then McGraw St from Wyoming to Western Ave and Western southerly
to its terminus at US-112/Michigan Ave (now US-12) in western Detroit
near the Dearborn city limit. When the Edsel
Ford Frwy was constructed in the 1950s, the Weir St connector was
constructed and Western Ave was severed by the freeway. Also at
this time, it is assumed the portion of Wyoming Ave between M-153/Ford
Rd-McGraw St and US-112/Michigan
Ave was likely transferred to the state as another connection between
these trunklines and the new freeway. At present, it's unclear
when MDOT began
considering the Ford Rd-to-Wyoming Ave routing to be the mainline M-153 route,
however. The two blocks of McGraw St from Wyoming Ave to Weir St
and the two blocks of Weir from McGraw to US-12/Michigan
Ave is now designated OLD M-153. |
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History: |
Pending further research. |
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c.2015–17 – The entirety of unsigned OLD M-153 is turned back to local control and is no longer a state trunkline highway. |
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Western Terminus: |
End
of state trunkline along North Channel Rd, approximately 0.47 miles
west of the Ferry Dock Rd "Y" on Harsens Island |
Eastern Terminus: |
Jct
M-154 at cnr North Channel Rd & Ferry Dock Rd at the "Y" intersection
leading to the Champion Auto Ferry dock on Harsens Island |
Length: |
0.471
miles |
|
Map: |
Route
Map of OLD M-154 |
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Notes: |
If
you attempt to locate OLD M-154 in the field (which, in this case,
is on an island), you will not find it. Why? Because it is still
signed as part of M-154!
An MDOT source notes that around the year 2000, the department
decided to truncate the actual route of M-154 to
Ferry Dock Rd near its intersection with North Channel Rd at the
"Y" intersection on the north end of Harsens Island. The remainder
of what is signed as M-154 along
North Channel Dr from the "Y" at Ferry Dock Rd westerly approximately
1/2 mile was then designated OLD M-154 and earmarked for a future
jurisdictional transfer back to local control. It was also noted,
though, that no corresponding changes have been made to the signage
along the route, so OLD M-154 remains signed as if it was still
part of M-154. |
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History: |
c.2000 -
As noted in the Notes section above, MDOT officially
truncates M-154 to Ferry Dock Rd & North Channel Dr, with the
portion of North Channel west of the Ferry Dock "Y" intersection
being designated as a turnback candidate, OLD M-154. No signage
changes are made, however, and all of the new OLD M-154 route remains
signed as M-154. |
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Southern Terminus: |
Site of former Hillcrest Center (Howell
State Hospital) southwest of Howell |
Northern Terminus: |
BL
I-96/Grand River Ave at cnr of Michigan Ave in downtown Howell |
Length: |
3.420 miles |
|
Map: |
Route
Map of OLD M-155 |
|
Notes: |
The Michigan State Sanatorium was established
at the top of a high point southwest of Howell for the treatment
of tuberculosis in 1907 and served in that capacity until 1961.
Beginning in 1955, the facility also began to serve patients with
mental difficulties and in 1961, the Sanatorium was transformed
into the Howell State Hospital when the last tuberculosis patients
were discharged. It remained a mental health facility through a
renaming to "Hillcrest Center" in 1978 until it was closed in 1982.
After being left open to the elements and vandals for several years,
the buildings were razed in the late-1980s and much of the former
grounds are being redeveloped as an exclusive and expensive housing
development. |
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To serve the Sanatorium (and later the State
Hospital), a trunkline spur from Howell was established in 1931
and remained in service even after Hillcrest Center was closedin
1982. For several years, the highway ran to the shuttered complex
at the top of the hill southwest of Howell and, after the buildings
were demolished, the trunkline effectively served a large, open
field until the route markers were removed in 1987. |
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History: |
1931
(Aug 31) - A new spur trunkline route connecting US-16 (present-day
BL I-96) in downtown Howell with the Howell State Hospital (or Michigan Tuberculosis
Sanatorium) southwest of the city is officially determined, running via Michigan Ave southerly to Mason Rd, westerly via Mason to
Norton Rd, southwesterly along Norton to County Farm where it turns southerly briefly via County Farm to the access road leading
up the hill to the hospital grounds (present-day High Hillcrest Dr). |
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1982 - Hillcrest Center is closed, however M-155 continues to serve
the vacant, shuttered facility. |
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1987 - All M-155 route markers are removed from the route of M-155,
although the highway remains an unsigned/old state trunkline routing as OLD M-155. |
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Southern Terminus: |
Michigan/Ohio state line southeast of Ottawa
Lake |
Northern Terminus: |
Cnr US-223 & Old
US-223, 0.35 mile east of the Lenawee/Monroe Co line north of Ottawa
Lake |
Length: |
5.740 miles |
|
Map: |
Route Map
of OLD US-223 |
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Notes: |
As noted in the History section below, the
mainline route of US-223 followed what is now OLD US-223 until
1977 when US-223 was transferred to the US-23 freeway alignment
to the east. The former route has not been transferred to local
control and remains an unsigned/old state trunkline to this day. |
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History: |
1977 (Nov 17) -
The route of US-223 is
altered in southwestern Monroe Co with the US-223 designation
relocated onto the route of M-151, which is "decommissioned," easterly
to US-23 at Exit 5, then
southerly with US-23 into
Ohio near Sylvania. The former route of US-223 is
retained as an unsigned state trunkline designated OLD US-223. |
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PLEASE NOTE:
The Belle Isle Roads route information has moved to its own page: Belle Isle Roads Route Listing.
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Western Terminus: |
Western end of the E Michigan Ave bridge spanning the Kalamazoo River in downtown Kalamazoo
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Eastern Terminus: |
Eastrn end of the E Michigan Ave bridge spanning the Kalamazoo River in downtown Kalamazoo
|
Length: |
~245 feet (0.046 miles) |
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Map: |
Route Map
of E Michigan Ave bridge |
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Notes: |
In 2019, every through trunkline route in Kalamazoo—BL I-94, BUS US-131 and M-43—as well as the unsigned M-331 were all turned back to local control by MDOT after many, many years of discussion between City and MDOT planners and engineers. City staffers had long sought to eliminate what they termed as "confusing" one-way streets through the heart of downtown Kalamazoo as well as trying to limit or eliminate large trucks from traversing through the city. MDOT, on the other hand, had long stuck to its mandate to provide a smoothly-operating network of arteries, minimizing delays and congestion. The two sides could never come to a satisfactory solution so, in 2018, MDOT staff in Southwest Region finally gave up and acquiesced to the City's demands by agreeing to transfer all downtown trunkline highway routes to local control. As of January 7, 2019, the downtown trunklines became city streets. To retain "route connectivity," MDOT decided to reroute M-43 along US-131 from Kalamazoo to Plainwell, then southeasterly concurrently with M-89 to Richland where it meets back up with the existing route. Unfortunately, this left several "stub routes" terminating at random locations around the city. MDOT employed three different strategies to deal with this:
- Retaining the existing route designation, which is the case for the northern "stub" of BUS US-131 from US-131 Exit 41 to the northern Kalamazoo city limit. It remains BUS US-131, but is a spur route now instead of being a complete loop route through the city.
- Removing any signed designation and maintaining the route as an unsigned state trunkline, as was the case with the former BL I-94 segment along King Hwy from M-96 to Mills St, the former BL I-94/BUS US-131 segment along Stadium Dr from US-131 at Exit 36 to Rambling Rd, and the former M-43 along W Main St from US-131 at Exit 38 easterly to Douglas St.
- Assigning a new route desigation, as was done to the former segment of M-43 along Gull Rd from Richland southwesterly to Riverview Dr northeast of dowtown Kalamazoo. This portion of highway was designated M-343 by MDOT Southwest Region staffers in early 2019. Also, the stub of what had been BL I-94 east of the city is redesigated as BS I-94 (Business SPUR I-94).
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History: |
2019 (Jan 7) – The Kalamazoo City Commission agrees to the Memorandum of Understanding from MDOT on the conditions of the trasfer of the affected streets in the city, thereby removing them from the state trunkline highway system and transferring them to the city primary street system. For M-43, this affects the entire route from Douglas St west of downtown to the intersection of Riverview Dr & Gull Rd/Gull St northeast of downtown, including the one-way pair of Michigan Ave (eastbound) and Kalamazoo Ave/Douglas St (westbound) through the heart of the city, with the exception of the bridge spanning the Kalamazoo River. |
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2019 (June 3–7) – MDOT crews remove the state trunkline route markers from both the transferred roadways in dowtown Kalamazoo as well as along those segments which will remain as unsigned state trunkline routes. Thus, in the field, M-43 becomes a two-segment, disconnected route with route markers trailing off northeast of downtown Kalamazoo and picking back up at the western edge of the city at US-131. At this point, the Kalamazoo River bridge on E Michigan Ave in downtown Kalamazoo becomes an unsigned state trunkline highway as E MICHIGAN AVE. |
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Connectors: Signed & Unsigned
Listed here are the various unsigned connector roadways on the
state trunkline system around Michigan. While a few connectors
are actually signed, such as CONN M-13 at Bay City, CONN M-44 at Grand Rapids and Lansing's Capitol Loop, most are not or simply
feature route signage pointing to the trunklines at either end
that these connectors "connect." In c.2006–08, MDOT redesignated most of the internal connector designations to make them more closely match one of the highways they connect with. For example, internal "Connector 13" was the BL I-94/M-25 connector in Port Huron, but was given the new designation of "Conncetor 25." (This allowed CONN M-13 to be internally designated as "Connector 13" as well.) For
completeness sake, the signed connectors are also listed below,
however links to their full route listings elsewhere in the site
are included in boldface. |
|
CONNECTOR |
COUNTY |
START |
END |
SECONDARY NAME/NOTES |
LENGTH |
Connector 3 |
Wayne |
Jct I-75 & I-375 in downtown Detroit |
M-3/Gratiot Ave |
(Formerly "Connector 8") |
0.724 mile |
Connector 5 |
Oakland |
I-696 in the I-96/I-275/I-696/M-5 interchange |
M-5 in the I-96/I-275/I-696/M-5 interch. |
(See "Connector 5" note on M-5 route listing.) |
1.334 mile |
Connector 13 |
Bay |
I-75/US-23 at Exit 163 west of Bay City |
M-13 south of Kawkawlin |
CONN M-13 (formerly "Connector 14") |
2.435 miles |
Connector 24 |
Wayne |
US-24 at cnr Telegraph Rd & Dix Toledo Hwy |
I-75 at Exit 34 in Brownstown Twp |
CONN US-24 (Woodhaven), I-75 Connector (formerly "Connector 3") |
2.379 miles |
Connector 25 |
St Clair |
BL I-94/BL I-69 at Hancock St in Port Huron |
M-25/Pine Grove Ave in Port Huron |
I-94 Connector (formerly "Connector 13") |
0.273 mile |
Connector 30 |
Macomb |
I-94 at Exit 231 in Roseville |
M-3/Gratiot Ave north of 13 Mile Rd |
(Formerly "Connector 10") |
0.630 mile |
Connector 34 |
Lenawee |
M-34/Beecher Rd west of Adrian |
US-223 "Adrian Bypass" |
Industrial Dr |
0.399 mile |
Connector 44 |
Kent |
I-96/M-37 at Exit 33 in Grand Rapids |
M-44/East Beltline Ave-Northland Dr |
CONN M-44 |
4.205 miles |
Connector 58 |
Saginaw |
Hill St-Michigan Ave at M-58/State St |
Hill St-Michigan Ave at I-675 ramps |
Hill St, Michigan Ave |
0.464 mile |
Connector 69 |
St Clair |
Lapeer Rd between 32nd & Botsford Sts |
I-94/I-69 at Exit 274 in Port Huron |
(Formerly "Connector 9") |
0.910 mile |
Connector 75 |
Monroe |
I-75 at Exit 2 near Erie |
M-125/Dixie Hwy at Summit St |
CONN US-24 (Erie), I-75/M-125 Connector (formerly "Connector 2") |
2.992 miles |
Connector 85 |
Wayne |
M-85/Fort St & Schaefer Hwy in southwest Detroit |
I-75/Fisher Frwy at Exit 43 |
Schaefer Hwy |
0.219 mile |
Connector 96 |
Clinton |
I-96 at Exit 89 northwest of Lansing |
I-69 at Exit 81 northwest of Lansing |
|
2.365 miles |
Connector 102 |
Wayne |
M-10/J C Lodge Expwy at Greenfield |
M-102/Eight Mile Rd at Greenfield |
Greenfield/Greenlodge (formerly "Connector 23") |
0.201 mile |
Connector 104 |
Ottawa |
M-104/Savidge St in Ferrysburg |
US-31 at 3rd St interchange |
Pine St, 3rd St |
0.326 mile |
Connector 125 |
Monroe |
US-24/Telegraph Rd at Luna Pier Rd |
M-125/Dixie Hwy at Luna Pier Rd |
CONN US-24 (Erie), Luna Pier Rd (formerly "Connector 1") |
0.572 mile |
Connector 240 |
Wayne |
I-75 at Exit 35 in Taylor |
US-24/Telegraph Rd south of Eureka Rd |
CONN US-24 (Taylor) (Formerly "Connector 4") |
1.514 miles |
Connector 496 |
Ingham |
Jct I-496 & M-99, Lansing |
Jct I-496 & BL I-96, Lansing |
CAPITOL LOOP (formerly "Connector 81") |
2.243 miles |
Connector 850 |
Wayne |
M-85/Fort St at Clark St in Detroit |
I-75 at Exit 47 (Clark St interchange) |
Clark St (formerly "Connector 7") |
0.127 mile |
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Unsigned
State Trunklines | Signed & Unsigned Connectors | Up
to Top |
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