Portal:Michigan highways/Did you know/July 2020

...that at 1,328 feet (405 m) above sea level, Brockway Mountain Drive (scenic overlook pictured) in the Upper Peninsula is one of the highest roads between the Rockies and Alleghenies?
... that M-6 is officially named for Paul B. Henry, a Congressman from the Grand Rapids area who died in office?
... that cars are forbidden from Mackinac Island, making M-185 the only state highway without them?
... that although it has not been signed since 1979, I-296 near Grand Rapids is still a current part of the Interstate Highway System?
... that US 102 was the first US Highway designation to be decommissioned?