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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.
In 1988, US 64 was extended from New Mexico into Arizona over SR 504 to US 160 in Teec Nos Pos. [32] Coincidentally, the small section of US 64 in Arizona was once designated as a section of SR 64. [33] US 80 was eliminated from Arizona in 1989, after both Arizona and New Mexico had requested AASHTO to remove the designation from both states. [34]
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 ...
0–9. Arizona State Route 24; Arizona State Route 30; Arizona State Route 50; Arizona State Route 51; Arizona State Route 61; Arizona State Route 64; Arizona State Route 66
There was significant local opposition in the 1960s and 1970s to expansion of the freeway system. [4] Because of this, by the time public opinion began to favor freeway expansion in the 1980s and 1990s, Phoenix freeways had to be funded primarily by local sales tax dollars rather than diminishing sources of federal money; newer freeways were, and continue to be, given state route designations ...
State Route 24 (SR 24), also known as the Gateway Freeway or the Williams Gateway Freeway, is a freeway in the extreme southeastern region of the Phoenix Metropolitan Area. [2] The roadway is planned as a controlled-access highway to move traffic from the southeastern suburbs of Phoenix to planned ones in northwestern Pinal County.
No improvements were made to the Yuma–Duncan Road between 1909 and 1912, with all funding going towards the Grand Canyon–Duncan Territorial Road between the Grand Canyon area and Douglas. In 1912, Arizona Territory was granted statehood, which changed the organization of the Territorial Road System into the new State Highway System. [4]
The road headed north toward Tempe to U.S. Route 80. [14] Between 1951 and 1958, the road was extended south to its current terminus at SR 84; at this time, I-10 had still not been built, nor had the route become a state highway. [15] By 1971, I-10 was finished through the south and east edges of the Phoenix area. [16]