Arizona State Route 86 Arizona State Route 86 State Route 86 (or SR 86) is a state highway in southern Arizona that stretches from its junction with State Route 85 in Why east to its junction at 16th Avenue east of Interstate 19 in Tucson. It formerly went east to the New Mexico border near Lordsburg, but this eastern segment has been superseded by Interstate 10. SR 86 is the primary east–west highway through the Tohono O'odham Nation. Note that this route is commonly blocked off by US Department of Homeland Security Border Patrol Agents to perform random searches of vehicles, due to its
Arizona State Route 93 being extended from Kingman by way of US 66 through Ash Fork. A new US 193 was proposed from Phoenix through Sacaton and Casa Grande to Picacho. At the time, US 89 served the road between Ash Fork and Phoenix, while State Route 87, State Route 187 and State Route 84 ran between Sacaton and Picacho through Casa Grande (of which only SR 87 still traverses today). Upon hearing of the proposed extensions, citizens of Wickenburg, Arizona, Wikieup and Aguila protested to have US 93 run through their towns instead. The protest was considered and the Arizona Highway Department changed