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
Arizona State Route 73 Arizona State Route 73 State Route 73, also known as SR 73, is a north–south state highway primarily serving the Fort Apache Indian Reservation in eastern Arizona. SR 73 begins at a junction with the U.S. Route 60 / State Route 77 concurrency near Carrizo, travels southeast to Fort Apache and Whiteriver, then bends north-northeast until intersecting State Route 260 near the Hon-Dah Resort Casino. Apart from its termini, the current SR 73 intersects no other US or state routes. The clockwise (southern) terminus of SR 73 is located at a junction with US 60 southwest of Show Low. From