Former state routes in Arizona was a state highway in the eastern part of the state of Arizona, starting in the town of Nogales and ending at the New Mexico state line near Gallup on old U.S. Route 66 (presently Interstate 40). The route was cosigned with other routes, including U.S. Route 89 North from Nogales to Tucson, U.S. Route 80/U.S. Route 89 north from Tucson to U.S. Route 60 and U.S. Route 70 at Florence Junction, east on 60/70 to Globe and then 60 past Show Low to State Route 61, then east on 61 to U.S. 666 north of Springerville, where it overlapped
Former state routes in Arizona from its junction with Interstate 8 in Yuma to the Interstate 8 business loop (which was up until 1977, US 80). The route was turned over to the city of Yuma on April 20, 2007 for maintenance. The road is now Avenue 3E, yet signage for SR 280 remains, including exit signs for Avenue 3E on Interstate 8. SR 280 was the shortest state highway in Arizona, . It existed wholly within the city of Yuma and served the Yuma International Airport. State Route 360 was a state route located in the Phoenix, Arizona area of the United States. From