Michigan State Trunkline Highway System

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Interstate 75 markerUS Highway 23 markerM-28 marker
Highway markers for Interstate 75, US Highway 23, and M-28
Michigan's state trunkline highways run through all 83 counties
A map of state trunkline highways in the state of Michigan
  Interstates   US Highways   State
System information
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

The State Trunkline Highway System is all the state highways in Michigan. The system is controlled by the Michigan Department of Transportation (MDOT).[5]

References[change | change source]

  1. Michigan Legislature (1915) [enacted May 13, 1913]. "Chapter 91: State Reward Trunk Line Highways". In Shields, Edmund C.; Black, Cyrenius P. & Broomfield, Archibald (eds.). The Compiled Laws of the State of Michigan. Vol. 1. Lansing, Michigan: Wynkoop, Hallenbeck and Crawford, State Printers. pp. 1868–72. OCLC 44724558. Retrieved January 24, 2012 – via Google Books.
  2. Michigan State Highway Department (July 1, 1919). State of Michigan (Map). Scale not given. Lansing: Michigan State Highway Department. Upper Peninsula and Lower Peninsula sheets. OCLC 15607244.
  3. Michigan Department of Transportation (July 7, 2015). "Road & Highway Facts". Michigan Department of Transportation. Retrieved August 10, 2015.
  4. Measurement as of July 7, 2015.
  5. Michigan Department of Transportation (2010). Uniquely Michigan: Official Department of Transportation Map (Map). c. 1:975,000. Lansing: Michigan Department of Transportation. Full map. OCLC 42778335 and 639960603.