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.
Arizona State Route 289 ran west from US 89 to the Coronado National Forest boundary. The next year, the route was extended westward to Peña Blanca Dam. By 1971, US 89 at SR 289's eastern terminus was replaced by I-19. Arizona State Route 289 State Route 289 (SR 289) is a highway in Santa Cruz County, Arizona that runs from its junction with Interstate 19 (old ) to the north of Nogales, to Peña Blanca Lake. It is an east–west route. SR 289 is a highway that serves Peña Blanca Lake, passing through sparsely inhabited territory. It does not pass through any cities or