Arizona State Route 264 to a gravel road. By the time the route became a state highway in 1961 from Tuba City southeast , the route had been paved. Later that year, SR 264 extended to the border. Arizona State Route 264 State Route 264 (SR 264) is a state highway in northeastern Arizona, that run from a junction with US 160 near Tuba City to the New Mexico state line at Window Rock, where the highway continues as New Mexico State Road 264 (NM 264). The western terminus of State Route 264 is located at its junction with US 160 in Moenkopi, adjacent
Arizona State Route 143 Interstate 10 and US 60 between the Mini Stack and the Broadway Curve, adding to additional traffic overload and safety issues at the interchange with SR 143/I-10/US 60. The speed limit on I-10 throughout the city of Phoenix is currently . Many other area freeways have limits of , notable exceptions being the Sky Harbor Expressway with , Arizona 51 south of Glendale Rd with 55 mph, and Interstate 17 with . Arizona State Route 143 Arizona State Route 143, also known as SR 143 and the Hohokam Expressway, is a north–south and access-controlled freeway in Maricopa County, Arizona, that