Portal:Michigan highways/Did you know/December 2011

...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 the former M-108 in Mackinaw City was once a rare "three-legged route" connecting the State Highway Ferry Docks with the Fort Michilimackinac State Historic Park and US 31?
... that the M-64 highway designation was moved twice in two years by exchanging the number with different roads?
... that the section of Michigan Avenue in East Lansing is an unsigned highway numbered M-143?
... that a section of the former Bus. M-28 in Newberry has also carried the designations M-28, M-48, M-117 or M-123 at different times in its history?