Added the 1958 extension of SR 69 to Jefferson Street.
Added the 1958 extension of SR 69 to Jefferson Street.
Added missing dates on SR 69T.
Added the decommissioning date for SR 69T.
Added re-routes and truncations of SR 69T.
Added the 1963 re-alignment of SR 69T.
Added the 1963 re-alignment of SR 69T.
Added part of US 80 and part of US 89.
Added a section of US 80/US 89.
Added the 1955 Grand avenue interchange.
Adding the 1954 SR 69 Expressway, the forerunner to the Black Canyon Freeway (I-17)
Adding the 1954 SR 69 Expressway, the forerunner to the Black Canyon Freeway (I-17)
Adding the 1954 SR 69 Expressway, the forerunner to the Black Canyon Freeway (I-17)
Adding the 1954 SR 69 Expressway, the forerunner to the Black Canyon Freeway (I-17)
Adding the 1954 SR 69 Expressway, the forerunner to the Black Canyon Freeway (I-17)
Adding the 1954 SR 69 Expressway, the forerunner to the Black Canyon Freeway (I-17)