55 mph Speed Limit
Highway workers change a speed limit sign from 70 mph to the new federally-mandated limit of 55 mph on February 12, 1974.
Images from the Collections of Virtual Motor City. (c) 2003 Walter P. Reuther Library, Wayne State University. All images associated with the Virtual Motor City Collection are protected by United States copyright law. Duplication or sale of all or part of any of the data or images is not permitted without consent of the copyright holder. 1) ID38009
