M-12 (Michigan highway)
|Location||Ironwood–Sault Ste. Marie|
|Length||406.63 mi (654.41 km)|
|Existed||c. July 1, 1919–November 11, 1926|
M-12 is a former state highway in the Upper Peninsula of Michigan. It was replaced in 1926 by:
- U.S. Highway 2 in Michigan (US 2) between the state line at Ironwood and Crystal Falls
- M-69 between Crystal Falls and Sagola
- M-45 between Sagola and Iron Mountain (now M-95)
- US 2 between Iron Mountain and Sault Ste. Marie
Since 1926, M-12 north of the St. Ignace area has been replaced by:
- Business Loop Interstate 75 through St. Ignace
- County Road H-63 to the Rogers Park area
- M-134 to Cedarville
- M-129 to Sault Ste. Marie
- Business Spur Interstate 75 in Sault Ste. Marie
- 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 Wikimedia Commons.
- Michigan State Highway Department (December 1, 1926). Official Highway Condition Map (Map). [c. 1:823,680]. Lansing: Michigan State Highway Department.
- Michigan Center for Geographic Information (May 2007). "Geographic Data Library". Michigan Department of Information Technology. Retrieved February 27, 2008.
- Michigan State Highway Department (July 1, 1919). State of Michigan (Map). Scale not given. Lansing: Michigan State Highway Department. Upper Peninsula sheet. OCLC 15607244. Retrieved December 18, 2016 – via Michigan State University Libraries.
|Browse numbered routes|
|← US 12||MI||M-13 →|
|This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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