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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 ...
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
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.
Arizona Highway Department Condition Map of the State Highway System (Map). 1:1,267,200. Arizona State Highway Department – via AARoads. {{Cite ADOT map |year= 1971 |inset=Yuma |accessdate= October 15, 2019}} Photogrammetry and Mapping Division (1971). State Highway Department Road Map of Arizona (Map). No scale given.
State Route 347 (SR 347) is a 28.69 miles (46.17 km) long, north–south state highway in central Arizona. The route begins at SR 84 and heads north. It passes through Maricopa, meeting SR 238. The route ends at an interchange with Interstate 10 (I-10) south of Chandler.
Despite the separate State Route designation from US 93/US 466, the Arizona State Highway Department considered SR 62 to be the "Chloride Spur" of both U.S. Highways. [2] It was deleted from the state highway system on July 23, 1971 because of the closure of the mine in Chloride. [3] The road is still in use today as Mohave County Road 125. [4]
State Route 88 is a long state highway in the U.S. state of Arizona. It runs from U.S. Route 60 (US 60) in Apache Junction through desert terrain to SR 188 near Roosevelt Dam. Following the Salt River for much of its length, the section east of Tortilla Flat is known as the Apache Trail and is part of the National Forest Scenic Byway system ...