Interstate 10 in Arizona 2013. The remainder of the old US 80 section was rebuilt to interstate standards, with completion in 2014. East of Tucson, I‑10 parallels and in some cases overlies old US 80 to Benson, and was originally co-signed as US 80 and SR 86. The section of I-10 from Valencia Road to Rita Road was the first construction project in the state of Arizona funded by the Federal Aid Highway Act of 1956. Construction began in 1957 and was completed in 1960. From Benson, the Interstate follows the Southern Pacific mainline east through Willcox and Bowie to New Mexico, rather than
Former state routes in Arizona Valley residents with access to the airport. The majority of them used SR 143 instead, because of its quick access to and from Interstate 10 and Loop 202. SR 153 did, however, provide a direct link between east Phoenix, such as office developments in the Southbank commercial project, and the city of Tempe. State Route 160 was an east-west state highway in north-central Arizona, starting in the city of Payson and ending. in the city of Show Low, traveling along much of the Mogollon Rim. It first appeared on a state map in 1955 and was decommissioned in 1967 when