M-231 (Michigan highway)

M-231 is the designation of a state trunkline highway in the Lower Peninsula of the US state of Michigan that serves as a partial bypass to US Highway 31 (US 31) around Grand Haven. This highway was built south of Interstate 96 (I-96) as an additional crossing over the Grand River. The route runs from M-45 northward and across the river to a connection with I-96 near the current M-104 interchange.

M-231 (Michigan highway)

M-231 is the designation of a state trunkline highway in the Lower Peninsula of the US state of Michigan that serves as a partial bypass to US Highway 31 (US 31) around Grand Haven. This highway was built south of Interstate 96 (I-96) as an additional crossing over the Grand River. The route runs from M-45 northward and across the river to a connection with I-96 near the current M-104 interchange.