Arizona State Route 86 to leaving the reservation. SR 86 curves towards the east as it enters Tucson. In Tucson, the highway continues east past an interchange with I-19 to 16th Avenue, which serves as its eastern terminus. SR 86 was originally designated in 1930, between Willcox and Bowie. In 1931, it was extended west to Benson and east to the New Mexico state line, effectively serving as a direct bypass to the US 80 Douglas loop. From 1927 to 1960, the remainder of the bypass between the Arizona border and Road Forks, New Mexico was served by New Mexico State Road 14. SR
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