M-4 (Michigan highway)
# M-4 (Michigan highway)

M-4, was formerly the designation of two different routes in the US state of Michigan.

* M-4 (1936–1939 Michigan highway) was the original designation of M-134 in Mackinac and Chippewa counties.
* M-4 (1979–1986 Michigan highway) was the original designation of M-10 (Northwestern Highway) from I-696/US 24 to the northern terminus.

Browse numbered routes :

| ← M-3 | MI | → M-5 |
| - | - | - |
