![m-4](https://upload.wikimedia.org/wikipedia/commons/e/e1/M-4.svg)
M-4, was formerly the designation of two different routes in the US state of
Michigan
Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and the ...
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M-4 (1936–1939 Michigan highway) was the original designation of M-134 in Mackinac and Chippewa counties.
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M-4 (1979–1986 Michigan highway) was the original designation of M-10 (Northwestern Highway) from I-696/US 24 to the northern terminus.
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