M-12 (Michigan highway)

M-12 is a former state highway in the Upper Peninsula of Michigan. It was replaced in 1926 by:

M-12 marker

M-12

LocationIronwoodSault Ste. Marie
Length406.63 mi[1] (654.41 km)
Existedc.July 1, 1919[2]–November 11, 1926[3][4]

Since 1926, M-12 north of the St. Ignace area has been replaced by:

References

  1. Michigan Center for Geographic Information (May 2007). "Geographic Data Library". Michigan Department of Information Technology. Retrieved February 27, 2008.
  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.
  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.
  4. 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 12MI M-13
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