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Michigan State Trunkline Highway System
highway system in Michigan, United States / From Wikipedia, the free encyclopedia
The State Trunkline Highway System is all the state highways in Michigan. The system is controlled by the Michigan Department of Transportation (MDOT).[5]
Quick Facts System information, Formed: ...
![]() ![]() ![]() Highway markers for Interstate 75, US Highway 23, and M-28 | |
![]() A map of state trunkline highways in the state of Michigan
Interstates US Highways State | |
System information | |
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Formed: | May 13, 1913 (1913-05-13),[1] signed by July 1, 1919[2] |
Length: | 9,669 mi[3][4] (15,561 km) |
Highway names | |
Interstates: | Interstate n (I-n) |
US Routes: | US Highway n (US n) |
State: | M-n |
System links | |
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