M-56 (Michigan highway)
M-56 was the designation given to two former state trunkline highways in the U.S. state of Michigan:
- M-56 (1919–1957 Michigan highway) from Monroe to Flat Rock
- M-56 (1971–1987 Michigan highway) in Flint
This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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| Browse numbered routes | ||||
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←  M-55 | M-56 | →  M-57 | ||