Portal:Michigan highways/Did you know/March 2018

I-194, the "Sojourner Truth Downtown Memorial Parkway" in Battle Creek

• ... that the local nickname for I-194 (pictured) is "the Penetrator"?
• ... that cars are forbidden from Mackinac Island, making M-185 the only state highway without them?
• ... that southbound M-52 in downtown Adrian previously carried both directions of the US 223 business loop in town?
• ...that Henry Ford helped stop construction of M-35 in the Upper Peninsula in order to gain admission to the exclusive Huron Mountain Club?
• ... that the eastern and western ends of M-21 were replaced by different Interstate Highways?