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 decertified. It was instead extended to US 66. The road up to the dam site still exists today as a county route. It was the only spur route of State Route 72. In 1962, this route became part of State Route 95. State Route 173 was a north-south state highway in north-central Arizona, that connected Show Low and McNary Jct., now known as Hon Dah. The route and travels along part of the Mogollon Rim. It first appeared on a state map in 1946 and became part of State Route 260 in 1972. This route was a spur of State