Arizona State Route 80 was a section between Tombstone and Bisbee. The entire route had been paved by 1935. The highway would continue to serve as a portion of US 80 until 1989 when the last portion of US 80 in Arizona was removed. This portion of the highway was redesignated as SR 80 at this time. 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
Arizona State Route 289 ran west from US 89 to the Coronado National Forest boundary. The next year, the route was extended westward to Peña Blanca Dam. By 1971, US 89 at SR 289's eastern terminus was replaced by I-19. Arizona State Route 289 State Route 289 (SR 289) is a highway in Santa Cruz County, Arizona that runs from its junction with Interstate 19 (old ) to the north of Nogales, to Peña Blanca Lake. It is an east–west route. SR 289 is a highway that serves Peña Blanca Lake, passing through sparsely inhabited territory. It does not pass through any cities or