List of U.S. Highways in Michigan
Former mainline highways
Columns: South or west terminus | North or east terminus | First year | Final year | Notes
Muskegon | Detroit | 1926 | 1962 | Replaced by I-96 | Erie | Port Austin | 1926 | 1973 | Replaced by I-75 and M-25 | Coldwater | Mackinaw City | 1926 | 2002 | Replaced by I-69 and US127 | Niles | Hagar Shores | 1937 | 1998 | Replaced by US31 and M-63 | Crystal Falls | Covington | 1926 | 1928 | Replaced by US 141 | New Buffalo | Detroit | 1926 | 1961 | Replaced by US 12 when I-94 replaced US 12 | Indiana state line | Union | 1926 | 1935 | Replaced by M-205 , now a county road