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
U.S. Route 80 in Arizona road side businesses and attractions, including many iconic motor hotels and restaurants. US 80 was a particularly long highway, reaching a length of almost within the state of Arizona alone. With the advent of the Interstate Highway System, Interstate 10 and Interstate 8 both replaced US 80 within the state. US 80 was removed from Arizona in 1989; the remainder of it now being State Route 80. In September 2018, the Arizona Department of Transportation designated former segments of the highway as Historic U.S. Route 80. On its journey across Arizona, US 80 made two indirect loops to both Phoenix