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The Arizona State Highway system was introduced on September 9, 1927, by the State Highway Commission (formed on August 11 of the same year). It incorporated the new federal aid system and also the U.S. Highway system. The 1927 plan included 27 state routes, most of which were simply dirt roads.
Arizona [b] is a state in the Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah.It also borders Nevada to the northwest and California to the west, and shares an international border with the Mexican states of Sonora and Baja California to the south and southwest.
The Arizona Department of Transportation (ADOT) is the agency responsible for building and maintaining the Interstate Highways in the Arizona State Highway System. These highways are built to Interstate Highway standards , which are freeways that have a 75-mile-per-hour (121 km/h) speed limit in rural areas and a 65 mph (105 km/h) speed limit ...
The location of Arizona in the United States. Arizona is a landlocked state situated in the southwestern region of the United States of America.It has a vast and diverse geography famous for its deep canyons, high- and low-elevation deserts, numerous natural rock formations, and volcanic mountain ranges.
Guadalupe Canyon Creek, tributary to the San Bernardino River joins it at just below Dieciocho de Augusto, Sonora. Whitewater Draw : originally considered the upper reach of the Rio de Agua Prieta , it enters Mexico as the head of Rio de Agua Prieta, which runs southward then southeast to join the Rio de San Bernardino , at La Junta de los Rios ...
Articles about U.S. Highways that pass through the U.S. state of Arizona. ... Pages in category "U.S. Highways in Arizona" The following 41 pages are in this category ...
Both highways connected the major towns and cities in Arizona with California and the eastern United States, with US 80 serving southern Arizona while US 66 served the northern part of the state. [35] However, the Arizona State Highway Department did not recognize US 80, US 66 or any other U.S. Highways within the state until September 9, 1927.
Significant distances requiring transportation in Southern Arizona are generally traveled by highway and the railroad. Southern Arizona is the location of the major transcontinental Interstate highway Interstate 10 from the border with New Mexico westward through Tucson, and then continuing northwest via Casa Grande to the Phoenix–Scottsdale–Mesa metropolis.