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  2. List of state trunkline highways in Michigan - Wikipedia

    en.wikipedia.org/wiki/List_of_state_trunkline...

    Part of Dix–Toledo Highway; labeled "I-75 connector" on state maps; previously part of US 25 and later Connector 3 [234] Connector 25: 0.265: 0.426 BL I-69/BL I-94 in Port Huron: M-25 in Port Huron 1973 [240] current Labeled "I-94 connector" on state maps; previously part of US 25 [240] and later Connector 13 [234] Connector 30: 0.629: 1.012

  3. Michigan State Trunkline Highway System - Wikipedia

    en.wikipedia.org/wiki/Michigan_State_Trunkline...

    The last state map to show the I-296 designation was published in 1979, as the 1980 map lacks any reference to the designation. [102] [103] Following this program, the Reflective Systems Unit at MDOT reviewed the state of two- and three-way concurrencies along the highway system in Michigan.

  4. List of U.S. Highways in Michigan - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._Highways_in...

    MDOT is the agency responsible for the day-to-day maintenance and operations of the State Trunkline Highway System, which includes the U.S. Highways in Michigan.The numbering for these highways is coordinated through AASHTO, [6] an organization composed of the various state departments of transportation in the United States. [7]

  5. Portal:Michigan highways - Wikipedia

    en.wikipedia.org/wiki/Portal:Michigan_Highways

    The State Trunkline Highway System of the US state of Michigan is a network of roads owned and maintained by the Michigan Department of Transportation (MDOT). The most prominent of these roads are part of one of three numbered highway systems in Michigan: Interstates Highways, US Highways, and the other State Trunklines.

  6. Michigan Department of Transportation - Wikipedia

    en.wikipedia.org/wiki/Michigan_Department_of...

    The Michigan Department of Transportation (MDOT) is a constitutional government principal department of the US state of Michigan. The primary purpose of MDOT is to maintain the Michigan State Trunkline Highway System which includes all Interstate, US and state highways in Michigan with the exception of the Mackinac Bridge .

  7. List of Interstate Highways in Michigan - Wikipedia

    en.wikipedia.org/wiki/List_of_Interstate...

    MDOT is the agency responsible for the day-to-day maintenance and operations of the State Trunkline Highway System, which includes the Interstate Highways in Michigan.. These highways are built to Interstate Highway standards, [6] meaning they are all freeways with minimum requirements for full control of access, design speeds of 50 to 70 miles per hour (80 to 113 km/h) depending on type of ...

  8. List of county-designated highways in Michigan - Wikipedia

    en.wikipedia.org/wiki/List_of_county-designated...

    After nearly a decade of efforts, the first two test highways were designated, one each in the Lower and Upper peninsulas of the state and included on the 1970 state highway map. The system was created and expanded in scope c. October 5, 1970, after it was approved by the County Road Association of Michigan and the State Highway Commission.

  9. U.S. Route 10 in Michigan - Wikipedia

    en.wikipedia.org/wiki/U.S._Route_10_in_Michigan

    Two changes were made in the routing of US 10 by 1929. As shown on the maps of the time, US 10 was rerouted to bypass Flint. The former routing through the city was redesignated M-10. A second change moved the highway to its present routing west of Baldwin to the Lake–Mason county line. [11] [12] A bypass of downtown Midland was opened in 1934.