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 387 I-10. After the interchange with I-10, the highway intersects SR 187, with SR 387 turning towards the east at the intersection. The highway continues to the east-northeast until it reaches its northern terminus at SR 87. The route was established between 1946 and 1951, from SR 187 to SR 87 just south of Sun Lakes. Between 1958 and 1961, it was cancelled, and became part of SR 93, a proposed extension of US 93. In 1967, SR 387 was designated from SR 93 to SR 87. It extended south over part of SR 93 on December 17, 1984. Arizona State