M-168 (Michigan highway)

M-168 is a former state trunkline highway in the Lower Peninsula of Michigan. It served as a connector route between M-68 and the community of Tower in Cheboygan County. It existed for a short time in the early 1930s before being decommissioned. The highway was less than 5 miles (8 km) long. The roadway that previously carried the designation of M-168 is now a local county road.