Arizona State Route 64 a route from Williams to the Grand Canyon. In 1935, the highway was extended to the east from the Grand Canyon to US 89. In 1961, the highway was extended further east from US 89 through Tuba City to the New Mexico state line. In 1965, the portion from Teec Nos Pos was renumbered to SR 504 to match New Mexico, which would be renumbered again in 1987 to US 64. In 1965, the section to the east of US 89 became US 164, and would later be renumbered to US 160 in 1969. Arizona State Route 64 State Route
Former state routes in Arizona with State Route 789 decertified about 1965. The only stand-alone section of putative U.S. 789 is a section of Wyoming 789. Former state routes in Arizona Below is a list and summary of the former state highways. State Route 62 was a state highway in northwestern Arizona running a total of from US 93, north of Kingman to the mining town of Chloride. The road first appeared on a 1936 map and it was deleted from the state highway system in 1971 because of the closure of the mine in Chloride. The road is still in use today as a