Added SR 69T.

Fixed date on Grand Avenue.

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)

Added part of US 80.

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)

Added the 1956 bypass of Mayer on SR 69.

Added Cordes Junction.

Added an end date for the Cordes alignment of SR 69.

Drawing the 1955 realignment of SR 69 through Cordes Junction.

Drawing the 1955 realignment of SR 69 through Cordes Junction.