Portal:Michigan highways/Did you know/April 2013

... that a proposed Michigan Turnpike (map pictured) would have run through the Detroit area if the State Highway Commissioner did not stall it until the creation of the Interstate Highway System made the proposal obsolete?
...that what is today the Whitefish Bay National Forest Scenic Byway was intended in 1967 to be part of a longer scenic highway that would connect a proposed lakeshore road through the Pictured Rocks National Lakeshore with roads running along Whitefish Bay and the St. Marys River south of Sault Ste. Marie?
... that I-96 in Detroit was named the Rosa Parks Memorial Highway in December 2005 in honor of the civil rights pioneer?
...that CR 510 in Marquette County is the remnant of the segment of M-35 through the Huron Mountains that was cancelled in the 1930s?
...that the River Road in Iosco County is both a National Scenic Byway and a National Forest Scenic Byway?