M-12 (Michigan highway)

M-12
M-12
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Since 1926, M-12 north of the St. Ignace area has been replaced by: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

References[]

^ 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.
^ 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.

Browse numbered routes
← US 12	MI	→ M-13

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[CGI-1] Michigan Center for Geographic Information (May 2007). "Geographic Data Library". Michigan Department of Information Technology. Retrieved February 27, 2008.

[MSHD19UP-2] 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.

[USH-3] 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.

[MSHD26-12-4] Michigan State Highway Department (December 1, 1926). Official Highway Condition Map (Map). [c. 1:823,680]. Lansing: Michigan State Highway Department.

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