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M-31 (Michigan highway)

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This article is about a former Michigan state trunkline highway numbered M-31. For the U.S. Highway, see U.S. Route 31 in Michigan.

M-31 marker

M-31
Route information
Length: 166.910 mi[2] (268.616 km)
Existed: c. July 1, 1919[1]c. November 11, 1926[3]
Major junctions
South end: M-21 in Port Huron
  M-19 in Bad Axe
North end: M-10 in Saginaw
Location
Counties: St. Clair, Sanilac, Huron, Tuscola, Bay, Saginaw
Highway system
US 31 M-32

M-31 was a state trunkline highway in the Lower Peninsula in the US state of Michigan. It generally ran north from Port Huron along the Lake Huron shoreline through The Thumb region before turning inland. The highway crossed The Thumb and then ran along the Saginaw Bay shoreline before running inland again, terminating at Saginaw. It was one of the original state highways signposted in 1919, but it was renumbered as other highways in 1926, decommissioning the designation in the process. Parts of its route route are now M-25, M-81 and M-142.

Route description[edit]

M-31 started at M-21 in Port Huron and ran northward along the Lake Huron shoreline. Along the way, it intersected the western terminus of M-46 before reaching Harbor Beach. In town, the original M-27 merged in from the north, and M-27/M-31 ran concurrently westward, turning inland. The two highways separated north of Ruth as M-27 turned southward. M-31 continued across The Thumb through Bad Axe, where it ran concurrently with M-19 in town. The highway carried on westward through Elkton and Pigeon to Bay Port. Once there, the trunkline turned southwesterly to follow along part of the Saginaw Bay. The road passed through Sebewaing to Unionville before turning back inland. Running southward to Akron, the highway turned alternately westward and southward to Fairgrove. M-31 next ran west along Bradleyville Road to a connection with M-81; the two highways ran concurrently south through Gilford before M-31 separated and turned back westward through Reese to Saginaw. The northern terminus in downtown Saginaw was at an intersection with what was then M-10.[4]

History[edit]

When the state highway system was first signed in 1919,[5] M-31 was one of the original trunklines, originally running northward from Port Huron to Harbor Beach and then westward to Saginaw.[1] When the U.S. Highway System was approved on November 11, 1926,[6] M-31 was decommissioned in favor of alternate numbers. From Port Huron north to Harbor Beach, M-29 was extended as a replacement. The segment west to Bay Port was renumbered M-83 while from Bad Axe west it was also additionally part of M-29 to Unionville. The remainder was numbered M-84 from Unionville to Reese, and M-81 from Reese to Saginaw.[3]

Major intersections[edit]

County Location mi[2] km Destinations Notes
St. Clair Port Huron 0.000 0.000 M-19 south – Detroit
M-19 north / M-21 west – Flint
4.149 6.677 M-27 – Fort Gratiot Southern terminus of original M-27
Sanilac Port Sanilac 33.486 53.890 M-46 – Sandusky Eastern terminus of M-46
Huron Harbor Beach 62.990 101.373 M-27 north – Port Austin Eastern end of M-27 concurrency
Sand Beach Township 67.853 109.199 M-27 south Western end of M-27 concurrency
Bad Axe 77.934 125.423 M-19 south – Sandusky Eastern end of M-19 concurrency
80.910 130.212 M-53 south – Cass City Northern terminus of M-53
Verona TownshipColfax Township line 82.400 132.610 M-19 north – Port Austin Western end of M-19 concurrency
Tuscola Gilford Township 147.270 237.008 M-81 north Northern end of M-81 concurrency
Denmark Township 152.238 245.003 M-81 south Southern end of M-81 concurrency
Bay Saginaw 166.910 268.616 M-10 – Flint, Bay City
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]

References[edit]

  1. ^ a b Michigan State Highway Department (July 1, 1919). State of Michigan (Map). Scale not given. Lansing: Michigan State Highway Department. Lower Peninsula sheet. OCLC 15607244. Retrieved December 18, 2016 – via Archives of Michigan. 
  2. ^ a b Michigan Department of Transportation & Michigan Center for Shared Solutions and Technology Partnerships (2009). MDOT Physical Reference Finder Application (Map). Michigan Department of Transportation. Retrieved June 12, 2012. 
  3. ^ a b Michigan State Highway Department (December 1, 1926). Official Highway Condition Map (Map). [c. 1:823,680]. Lansing: Michigan State Highway Department. 
  4. ^ Michigan State Highway Department (November 1, 1926). Official Highway Condition Map (Map). [c. 1:823,680]. Lansing: Michigan State Highway Department. 
  5. ^ "Michigan May Do Well Following Wisconsin's Road Marking System". The Grand Rapids Press. September 20, 1919. p. 10. OCLC 9975013. 
  6. ^ Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: U.S. Geological Survey. OCLC 32889555. Retrieved November 7, 2013 – via University of North Texas Libraries. 

External links[edit]

Route map: Bing / Google

KML is from Wikidata
  • M-31 at Michigan Highways