The “Main Street of America,” U.S. Route 66, was officially decertified on this day in 1985 when the American Association of State Highway and Transportation officials voted to remove all of its highway signs. The road, which gained a highway designation in 1926, stretched from Chicago, Illinois, to Santa Monica, California, over the course of […] The post June 27, 1985 – Route 66 is decertified appeared first on This Day In Automotive History.