U.S. Route 80 in Arizona structures including historic motor hotels among other roadside attractions and local businesses. This list follows the 1951 alignment. The following is an incomplete list of notable attractions and structures along old US 80 in Arizona: U.S. Route 80 in Arizona U.S. Route 80 (US 80) also known as the Ocean-to-Ocean Highway, the Broadway of America and the Jefferson Davis Highway was a major transcontinental highway which existed in the U.S. state of Arizona from November 11, 1926, to October 6, 1989. At its peak, US 80 traveled from the California border in Yuma to the New Mexico state line near
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