This highway was designated around 1960 and has not changed since designation.

The highway was first designated in 1928 running north out of downtown Jackson.

The current highway was first designated as parts of M-34 and M-64 in 1919.

The highway was designated by 1919 along a longer route.

The highway was designated in 1927 and lasted until 2003.

The highway was originally designated in 1926 along its current route.

The current highway was first designated by 1932 with the M-13 moniker.

The highway was designated by 1929 and fully paved in 1939.

The highway was first designated before 1936 along a section of its current routing.

From 1919 to 1926, the current highway known as M-121 was designated M-51.