Corrected the Arroyo Seco Parkway.

Adding alignments of US 66 west of Flagstaff.

Adding alignments of US 66 through downtown Flagstaff.

Fixed geometry on US 66.

Added US 66/US 89 and US 89A to Flagstaff.

Fixed error on Route 66 near Flagstaff.

1950 is a placeholder date for a Route 66 realignment in eastern California, until an exact date can be found.

Adding 1926-1931 Goffs Alignment of US 66.

Adding 1926-1931 Goffs Alignment of US 66.

Adding 1926-1931 Goffs Alignment of US 66.

Adding 1926-1931 Goffs Alignment of US 66.

Adding 1926-1931 Goffs Alignment of US 66.

Adding 1926-1931 Goffs Alignment of US 66.

Adding 1926-1931 Goffs Alignment of US 66.

Corrected the end date on Oatman Highway.

Added more of the ATSF to the map.

Added more of the ATSF to the map.

Added more of the ATSF to the map.

Added more of the ATSF to the map.

Added more of the ATSF to the map.