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The state park system in Arizona includes both state parks and state historic parks, as well as other designations such as natural areas and recreation areas. Arizona currently has 31 state park units, which are managed wholly or partly by the Arizona State Parks government agency. [1] In 2010 several Arizona state parks were closed due to ...
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 United States Numbered Highway System (U.S. Highway System) was originally approved by the United States Department of Agriculture Joint Board on Interstate Highways on November 11, 1926, and was to be overseen and maintained by the American Association of State Highway Officials (AASHO). [2]
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The United States has 63 national parks, which are congressionally designated protected areas operated by the National Park Service, an agency of the Department of the Interior. [1] National parks are designated for their natural beauty, unique geological features, diverse ecosystems, and recreational opportunities, typically "because of some ...
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
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 list of state parks in the United States are listed by ... Arizona; Arkansas; California; Colorado; Connecticut; ... List of national parks of the United States;