Portal:Michigan highways/Did you know/April 2016
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![M-185 downtown Mackinac Island](http://upload.wikimedia.org/wikipedia/commons/thumb/6/61/M-185_Downtown_Mackinac_Island_Michigan.jpg/100px-M-185_Downtown_Mackinac_Island_Michigan.jpg)
- ...that M-185 (pictured) has had exactly one automobile accident in 2005?
- ...that I-75 carries sections of each of the four Great Lakes Circle Tours in the state?
- ... that US 41 is officially the Copper Country Trail National Scenic Byway north of Houghton?
- ... that I-375 was the shortest signed Interstate Highway in the country at 1.06 miles (1.71 km) until I-110 in Texas was signed?
- ... that M-117 near Newberry was dedicated in 1993 to the deactivated 117th Quartermaster Battalion formerly based out of Kingsford?