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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.
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 Interstate Highway System of the United States, in addition to being a network of freeways, also includes a number of business routes assigned by the American Association of State Highway and Transportation Officials (AASHTO). These routes connect a central or commercial district of a city or town with an Interstate bypass.
Due to the popularity of the Lee Highway, the state-designated Roosevelt Dam name became largely forgotten by the traveling public. Between 1917 and 1921, the route from Solomonsville to Geronimo was paved. It along with the Borderland Highway between Bisbee and Douglas became the first two paved state highways in Arizona. With a second ...
Articles about state highways in the U.S. state of Arizona. For a manually maintained list, including yet-to-be-written articles, see List of Arizona State Routes . v
SR 87 is known as the Beeline Highway from McDowell Road, just north of Mesa, passing by Fountain Hills and to Payson. This portion of SR 87 is entirely a four-lane highway. There is a stretch of road where the highway splits, taking different canyons through the Mazatzal Mountains south of Payson, near the junction with SR 188. The old ...
State Route 77 (SR 77) is a 253.93-mile (408.66-kilometre) long state highway in Arizona that traverses much of the state's length, stretching from its southern terminus at a junction with I-10 in Tucson to its northern terminus with BIA Route 6 at the Navajo Nation boundary just north of I-40.
The Arizona Department of Transportation (ADOT, / ˈ eɪ d ɒ t /) is an Arizona state government agency charged with facilitating mobility within the state. In addition to managing the state's highway system, the agency is also involved with public transportation and municipal airports. The department was created in 1974 when the state merged ...