Michigan Highways: Since 1997.

Michigan Highways website header graphic
M-22 & M-109 junction route signage in Glen Arbor, Michigan

Former M-31 Route Map

M-31 Route Map, 1921:
M-31 Route Map, 1921
Presentation of this Map, Copyright ©2022 Christopher J. Bessert, All Rights Reserved. Please do not copy without permission.

M-31 Route Map, June 1, 1925 (Michigan State Highway Department):
M-31 Route Map, 1925 (Michigan State Highway Department)
Presentation of this Map, Copyright ©2022 Christopher J. Bessert, All Rights Reserved. Please do not copy without permission.

Back to Former M-31 Route Listing.