Portal:Michigan highways/Did you know/May 2012
- ... that along the "Tunnel of Trees" (pictured), M-119 has no centerline?
- ... that M-17 used to extend across the Lower Peninsula, but now it only runs from Ann Arbor to Ypsilanti?
- ... that the 267 miles (430 km) of US 131 includes only 0.67 miles (1.08 km) in Indiana?
- ... that county road F-41 was previously M-171?
- ... that M-179 is a Michigan Heritage Route named for Chief Noonday?