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 79 Arizona State Route 79 State Route 79 (SR 79), also known as the Pinal Pioneer Parkway, is a state highway in the U.S. state of Arizona. SR 79 has a northern terminus at U.S. Route 60 in unincorporated Florence Junction and passes through the town of Florence, its southern terminus is four miles (6 km) north of Catalina, at State Route 77, north of Tucson. The entirety of SR 79 is a direct surface route, roughly paralleling Interstate 10, (actually a north–south segment of the normally east–west freeway) and serving as the major route to Florence (which has no Interstate