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 1970 to 1992, SR 360 was assigned along the Superstition Freeway from Interstate 10 in Tempe through Mesa to U.S. Route 60 in Apache Junction. In 1992, US 60, which entered the Phoenix area on surface streets north of SR 360, was realigned onto the Superstition Freeway, replacing SR 360 in its entirety. State Route 364, also known as SR 364, was a state highway in the northeastern corner of the state of Arizona, starting in the town of Teec Nos Pos and ending at the state-line near the Four Corners. It first appeared on a state map in 1962