Portal:Michigan highways/Did you know/December 2017


 * ... that when the Mackinac Bridge (pictured) opened, US 27 was extended north across it?
 * ... that M-1 (Woodward Avenue) is an All-American Road?
 * ... that I-75 is the only freeway in the Upper Peninsula?
 * ... that M-46 is only one of three trans-peninsular state highways in the Lower Peninsula of Michigan?
 * ... that M-117 near Newberry was dedicated in 1993 to the deactivated 117th Quartermaster Battalion formerly based out of Kingsford?