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 564 Arizona State Route 564 State Route 564, also known as SR 564, is a state highway in northern Arizona serving Navajo National Monument. This highway travels from U.S. Route 160 to Betatakin Ruin; SR 564 derives its number from the former route number of the adjacent stretch of US 160, U.S. Route 164. SR 564 ends at Betatakin; smaller roads travel beyond to Keet Seel. SR 564 is a highway in northern Arizona that connects the Navajo National Monument with US 160. The southern terminus is located at an intersection with US 160 and BIA Route 41, a road maintained