Length: 148 mi. Michigan M-25 is a state trunkline highway that begins in New Era, and terminates in Bay City. The road goes through the counties of St. Clair, Sanilac, Huron, Tuscola, and Bay. The entire road is part of the Lake Huron Circle Tour. It was inaugurated in 1933.
POPULAR SIGNS:More signs
NEW SIGNS:More signs