U.S. Route 66 in Arizona U.S. Route 66 in Arizona U.S. Route 66 (US 66, Route 66) covered as part of a former United States Numbered Highway in the state of Arizona. The highway ran from west to east, starting in Needles, California, through Kingman and Seligman to the New Mexico state line as part of the historic US 66 from Santa Monica, California, to Chicago, Illinois. The highway was decommissioned in 1985, although portions remain as State Route 66 (SR 66). In 1914 the road was designated National Old Trails Highway; in 1926 it was re-designated US 66 with the birth of the U.S.
White River (Arizona) White River (Arizona) The White River is a tributary of the Salt River in the U.S. state of Arizona. Formed by two forks that drain part of the White Mountains, it begins in Navajo County and ends in Gila County, where it meets the Black River to form the Salt River. The White River lies entirely within the Fort Apache Indian Reservation in the east-central part of the state. The North Fork White River and the East Fork White River merge near Fort Apache to form the main stem, which continues generally southwest to its confluence with the Black River.