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
Arizona State Route 89 located at an interchange with Interstate 40 (I-40) in Ash Fork. This highway was a segment of US 89 between Ash Fork at I-40 and US 93 northwest of Wickenburg. All of US 89 was deleted south of its current southern terminus with Interstate 40 in Flagstaff after interstate highways offered shorter and more direct routes than the old long-distance US 89 in central and southern Arizona in 1992. Arizona State Route 89 State Route 89 (SR 89) is a state highway in the U.S. state of Arizona. It is part of the former route of U.S. Route 89 (US