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Former M-105
M-106 Route Marker On to Next Route:
Former M-107
Southern Terminus:    Jct BL I-94/BUS US-127/M-50 at cnr of Louis Glick Memorial Hwy, E Michigan Ave & Cooper St in downtown Jackson
Northern Terminus:    M-36 in downtown Gregory (cnr Main St & Carr St) in southwest Livingston Co
Length: Updated 27.410 miles
Maps: Route Map of 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 Louis 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.
  Updated While the former sbd M-106 along Francis (formerly Cooper) St in Jackson was 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 stated the local MDOT office has been notified and the errant signs were to be removed at some point. By 2008, those signs had been taken down.
  New! In "State Trunkline Needs, 1960–1980," a set of maps prepared by the State Highway Dept's Office of Planning, Programming Division in 1960 showing possible additions, upgrades and improvements to the state trunkline system over the ensuing twenty years, MSHD staff recommended the following changes to the route of M-106 during that timeframe:
  • Transferring jurisdiction of the portion of M-106 "inside" the proposed downtown Jackson state trunkline loop. With the completion of the one-way loop in 1968, this proposal was implemented.
  • Complete eliminiation of the portion of M-106 east of M-92 (proposed future M-47, present-day M-52) at Stockbridge in southeastern Ingham Co and easterly into Livingston Co. All of existing M-36 from M-92 (present-day M-52) easterly to US-23 is also proposed for decommissioning. Neither of these proposals ever came to fruition.
History: 1928 (Jun 28) – A new state trunkline is determined at Jackson, beginning at US-12/Michigan Ave at the cnr of Cooper (present-day Francis) St and proceeding northerly from downtown via present-day Francis and Cooper to the cnr of Cooper St & Bunkerhill Rd, 4½ miles north of downtown Jackson. The route is designated M-106.
  1930 (Dec 8) – An extension of M-106 to Stockbridge and a relatively-major realignment of M-36 in the area result in a further extension of M-106 to Gregory in Livingston Co. First, M-106 is extended northeasterly via Bunkerhill Rd from its previous terminus at the cnr of Cooper St in Jackson Co to Coon Hill Rd where the newly-determined trunkline route diverges from the existing Bunkerhill Rd following a proposed direct "airline routing" into the west side of Stockbridge, perfectly parallelling the Grand Trunk RR line about a mile to the northwest. (Since the new "airline route" does not yet exist, M-106 is temporarily routed into Stockbridge via Bunkerhill, Plum Orchard, Mesbach, Territorial and Wilmore Rds.) From Stockbridge, the further extension of M-106 follows the existing route of M-36 from there to Gregory in southwest Livingston Co. M-36 is simultaneously rerouted between Gregory and southeast Ingham Co via Plainfield.
  1935 (Oct 22) – The propsed "airline routing" for M-106 from Coon Hill Rd in Jackson Co's Henrietta Twp to the west side of Stockbridge in Ingham Co is officially withdrawn and the "temporary" route via Bunkerhill, Plum Orchard, Territorial and Wilmore Rds becomes the "permanent" route for M-106 and is officially determined as a state trunkline route.
  1940 (Nov 4) – Four short realignments in Jackson Co "smooth out" a few sharp corners, with the former route being turned back to local control in all four cases:
  • A short realignment immediately north of the Portage River about 4½ miles north of downtown Jackson.
  • The 90° turn of M-106 from Bunkerhill Rd onto Plum Orchard Rd is replaced by a sweeping curve.
  • A new bypass of the community of Munith also removes M-106 from Musbach Rd and Territorial Rd (west of Ryan Rd).
  • The sharp turn from Territorial Rd onto Wilmore Rd is "cut-off" as well. (Former M-106/Wilmore Rd between Territorial and "new" Wilmore is renamed Mayer Rd.)
  1967 (Nov 30) – In Jackson, Milwaukee St (present-day Cooper St) from BL I-94/Michigan Ave to Ganson St and Ganson from Milwaukee (present-day Cooper) westerly to M-106/Cooper St (present-day Francis St) is added to the state trunkline system as a new northbound routing of M-106. The existing segment of M-106 via Cooper St (present-day Francis St) from Ganson St southerly to Michigan Ave becomes southbound only.
  1968 (Nov 1) – As part of a massive realigning of the state trunklines through downtown Jackson, the southernmost 0.056 mile of M-106/Cooper St (present-day Francis St) is removed as a trunkline when the terminus of the highway is moved slightly north to the new intersection with BL I-94/BUS US-127/M-50 wbd/Louis Glick Hwy.
  1969 (Nov 3) – A new "cut-off" route on the north end of Milwaukee (present-day Cooper) St in Jackson is created to ease the connection for northbound traffic connecting with Cooper (present-day Francis) St. The former "northbound connector" via Ganson St remains a trunkline for now.
  1971 (Jun 30) – The Ganson St connector, noted above, between M-106 nbd/Milwaukee (present-day Cooper) St and M-106 sbd/Cooper (present-day Francis) St is transferred back to local control.
  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. This action essentially reverses the splitting of M-106 into a one-way pair in Jackson in 1967.
Controlled Access: No portion of M-106 is freeway or expressway.
NHS: The portion of M-106 in Jackson from its southern terminus at BL I-94/BUS US-127/M-50 to I-94 at Exit 139 is on the National Highway System (NHS).
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