Michigan State Highway 15

Michigan State Highway 15 or M-15 is a north-south highway in the U.S. state of Michigan. The southern terminus is a junction with U.S. Highway 24 just south of Clarkston and Interstate 75 on the northwestern edge of the Detroit metropolitan area. The northern terminus is junction with Michigan State Highway 25 on the east side of Bay City. The total length is 69.67 miles.

From Ortonville north to Bay City, the highway is designated as Recreation Heritage Route by the Michigan Department of Transportation. The routes roughly parallels Interstate 75 to the east, and is promoted by communities as a scenic alternative to I-75 since it bypasses the Flint and Saginaw urban areas.

Communities and junctions with other highways (south to north):

• U.S. Highway 24
• Clarkston
• Interstate 75
• Ortonville
• Interstate 69
• Davison
• Otisville
• Michigan State Highway 57
• Millington
• Vassar
• Richville
• Michigan State Highway 46
• Michigan State Highway 83
• Arthur
• Michigan State Highway 81
• Michigan State Highway 138
• Bay City
• Michigan State Highway 25

External links

• Michigan Highways
• Michigan Highway Ends