Portal:Michigan highways/Did you know/May 2015

The "Covered Trail" along US 41 south of Copper Harbor

... that US 41 (pictured) was the state's first Michigan Heritage Route in 1995?
... that county road F-41 was previously M-171?
... that the former M-122 connected US 2 in St. Ignace to the state car ferry docks?
... that the route of M-47 was previously part of US 10?
... that the M-64 highway designation was moved twice in two years by exchanging the number with different roads?