Portal:Michigan highways/Did you know/December 2017
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![Mackinac Bridge](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9c/Mackinac_Bridge.jpg/100px-Mackinac_Bridge.jpg)
- ... 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?