M-122 (Michigan highway)
M-122 highlighted in red | ||||
| Route information | ||||
| Maintained by MDOT | ||||
| Length | 1.068 mi (1.719 km) | |||
| Existed | 1929–1957 | |||
| Major junctions | ||||
| West end | US 2 in St. Ignace | |||
| East end | State Ferry Docks in St. Ignace | |||
| Location | ||||
| Country | United States | |||
| State | Michigan | |||
| Counties | Mackinac | |||
| Highway system | ||||
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M-122 was a state trunkline highway in the US state of Michigan entirely in the city of St. Ignace. The highway connected US Highway 2 (US 2) to the State Highway Ferry Dock used before the Mackinac Bridge was built. It was retired and the road returned to local control in 1957.