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 69 never extended south or east beyond the southern end of the Black Canyon Freeway, and T-69 never linked to Route 69. State Route 81 was a state highway in eastern Arizona that served Lyman Lake State Park from 1962–2003, traversing from its start at U.S. Route 180 / U.S. Route 191 between St. Johns and Springerville to Lyman Lake. The Arizona Department of Transportation turned the road over to the Arizona State Parks Department in June 2003 as it was contained within a state park. SR 81 was the shortest state highway in Arizona before State Route 280 was