Arizona State Route 80 Arizona State Route 80 State Route 80 (SR 80) is a roughly arc-shaped highway lying in southeastern Arizona that, with New Mexico's State Road 80, is a relic of the old U.S. Route 80, now truncated from San Diego to Dallas. This segment of old US 80 was not closely paralleled by Interstate 10, which lies to its north, and instead supplants the old and more direct (defunct in eastern Arizona) State Route 86. The route begins at an intersection with I-10 Bus. in Benson near an Amtrak station. The route heads south until it exits the city limit of
Former state routes in Arizona 69 never extended south or east beyond the southern end of the Black Canyon Freeway, and T-69 never linked to Route 69. State Route 81 was a state highway in eastern Arizona that served Lyman Lake State Park from 1962–2003, traversing from its start at U.S. Route 180 / U.S. Route 191 between St. Johns and Springerville to Lyman Lake. The Arizona Department of Transportation turned the road over to the Arizona State Parks Department in June 2003 as it was contained within a state park. SR 81 was the shortest state highway in Arizona before State Route 280 was