...that M-209, serving as a connection to the former Coast Guard station in Glen Haven(general store pictured), was the shortest state highway in the state at a half-mile (0.8 km) until 1996?
... that the first M-65 was replaced by US 23, and the current M-65 replaced two different sections of US 23?
... that a section of M-15 has been nicknamed "Death Alley" over the number of accidents there?
... that M-168 in Elberta previously connected to a car ferry dock?
... that only two of the 280 miles (3.2 of the 450 km) of US 8 lie in Michigan?