Portal:U.S. roads/Did you know/August 2015

• ...that a portion of Interstate 190 in Massachusetts was built with extra-wide shoulders, which are painted green, to prevent runoff from contaminating the nearby Wachusett Reservoir?
• ... that the Keller Ferry, which operates as part of Washington State Route 21 was taken over by the Washington Department of Highways on September 1, 1930, although a cable ferry was operated during the early 1890s?
• ... that U.S. Highway 12 followed the route of the St. Joseph Trail until 1962, and since then it has followed the Sauk Trail, two former Indian trails in the Lower Peninsula of Michigan?
• ...that a rest area along Interstate 295 in New Jersey was named in honor of Howard Stern by Governor Christine Todd Whitman as payback for Stern granting Whitman airtime during her 1993 gubernatorial campaign?
• ...that the two parts of California State Route 139 were constructed by a joint highway district of Lassen and Modoc Counties and by the U.S. federal government before being turned over to the state?