Adding alignments of U.S. Route 66.

Adding alignments of U.S. Route 66.

Fixed dates on US 66.

Adding alignments of U.S. Route 66.

Adding alignments of U.S. Route 66.

Adding alignments of U.S. Route 66.

Adding alignments of U.S. Route 66.

Adding alignments of U.S. Route 66.

Adding alignments of U.S. Route 66.

Starting work on the National Old Trails Road between Holbrook and Winslow.

Adding more of SR 64 to the map.

Added more of the National Old Trails Road to the map.

Added more of the National Old Trails Road to the map.

Added 1913 National Old Trails Road between Winslow and Two Guns. This is the best approximation I could find, looking closely at landmarks, satellite photos and a 1915 guide book made by the Automobile Club of Southern California.

Added more of the ATSF to the map.

Added alignments of US 66.

Added US 66 alignment in Flagstaff.

Added US 66 alignment in Flagstaff.

Added more of SR 64.

Added more of SR 64.