Location | Ironwood–Sault Ste. Marie |
---|---|
Length | 406.63 mi[1] (654.41 km) |
Existed | c. July 1, 1919[2]–November 11, 1926[3][4] |
M-12 is a former state highway in the Upper Peninsula of Michigan. It was replaced in 1926 by:
Since 1926, M-12 north of the St. Ignace area has been replaced by: