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.
Former state routes in Arizona fact a business loop for U.S. Route 89 through the town of Page, Arizona. It did not intersect SR 89. Moreover, it was the only Arizona state highway known to have used the "L" suffix. SR 89L was removed from the state highway system in 2005. State Route 93 was a state highway in Arizona that existed from 1946 to 1985. The route was cosigned with other highways along nearly all of its route from Kingman to the border at Nogales. State Route 93 was the original designation for the highway from Kingman to Wickenburg, which was built in 1946.