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 277 Arizona State Route 277 State Route 277 (SR 277) is a highway in Navajo County, Arizona, that runs from its junction with SR 260 in Heber-Overgaard to its junction with SR 377 in Snowflake. It is an east–west route. SR 277 is a highway that provides a direct route connecting Heber-Overgaard and Snowflake. It does not pass through any other cities or towns. The western terminus is located at an intersection with SR 260 east of Heber-Overgaard. The highway heads northeast from this intersection and curves towards the east prior to an intersection with SR 377, which heads northeast to