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 decertified. It was instead extended to US 66. The road up to the dam site still exists today as a county route. It was the only spur route of State Route 72. In 1962, this route became part of State Route 95. State Route 173 was a north-south state highway in north-central Arizona, that connected Show Low and McNary Jct., now known as Hon Dah. The route and travels along part of the Mogollon Rim. It first appeared on a state map in 1946 and became part of State Route 260 in 1972. This route was a spur of State