Proposed US-23 Freeway Map
Source: Michigan Department of Transportation, 1999.
- Michigan's Highways
- Trunkline
Route Listings- Individual Route Listings
- Routes 1-9
- Routes 10-19
- Routes 20-29
- Routes 30-39
- Routes 40-49
- Routes 50-59
- Routes 60-69
- Routes 70-79
- Routes 80-89
- Routes 90-99
- Routes 100-119
- Routes 120-139
- Routes 140-159
- Routes 160-179
- Routes 180-199
- Routes 200-229
- Routes 230-249
- Routes 250-696
- Business 2-31
- Business 32-94
- Business 96-496
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