title: M-4 (Michigan highway)
text: # 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 |
  | - | - | - |
  