Added more of SR 179, US 89 and US 89A near Prescott.

Added more of the ATSF, US 89 and US 89A near Prescott.

Added more of the ATSF, US 89 and US 89A near Prescott.

Modified part of SR 69.

Added more of the ATSF, US 89 and US 89A near Prescott.

Added more of the ATSF, US 89 and US 89A near Prescott.

Added a missing bridge on US 89.

Fixed tags on Humboldt.

Added the 1952 re-route of US 89 and SR 69.

Added Anthem

Added Dewey and Humboldt

Added Bumble Bee

Added Mayer

Added Cordes.

Added a missing date to the Black Canyon Highway.

Added the 1950 reroute of SR 69 between Black Canyon City and New River. This is the point in the history of SR 69 where the highway that later becomes I-17 starts to take shape.

Added the 1949 reroute of SR 69 between Bumble Bee and New River. This is the point in the history of SR 69 where the highway that later becomes I-17 starts to take shape.

Added New River.

Adding the 1947 re-route of the Black Canyon Highway between New River and Phoenix.

Adding the 1947 re-route of the Black Canyon Highway between New River and Phoenix.