Illinois Chicago Skyway
1958 specification highway marker. Manufactured between 1958 and 1970.
Original 1950s Skyway and Indiana Toll Road gantry, still surviving in downtown Chicago.
Photo by Jeff Royston, 10/22/2008.
1958 specification highway marker. Manufactured between 1958 and 1970.
Original 1950s Skyway and Indiana Toll Road gantry, still surviving in downtown Chicago.
Photo by Jeff Royston, 10/22/2008.