Portal:Michigan highways/Did you know/April 2020


 * ... that M-39 (River Rouge crossing pictured) is better known as the Southfield Freeway?
 * ... that M-80 serves the Chippewa County International Airport on the site of the former Kinross Air Force Base?
 * ... that until it was renumbered in the 1930s, M-99 used to be M-9?
 * ... that US 41 is officially the Copper Country Trail National Scenic Byway north of Houghton?
 * ... that in 1919, Michigan was the second state to sign numbered highways after Wisconsin?