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Arizona State Route 93

State Route 93 marker

State Route 93
Route information
Maintained by ADOT
Length: 247 mi (398 km)
Existed: October 11, 1946 – August 16, 1991
Major junctions
South end: Fed. 15 in Nogales
 
North end: US 89 / US 93 near Wickenburg
(Formerly US 66 in Kingman)
Highway system
US 93 US 95

State Route 93 marker

Arizona State Route 93, abbreviated SR 93, was a state highway in Arizona that existed from 1946 to 1991. The route was co-signed with other highways along nearly all of its route from Kingman to the border at Nogales. SR 93 was the original designation for the highway from Kingman to Wickenburg, which was built in 1946. In 1965, the northern terminus of the state route was moved south to an unnamed desert junction with U.S. Route 89 just north of Wickenburg, and the southern terminus of U.S. Route 93 was moved south to the US 89 junction. The Arizona Highway Department sought U.S. Highway status for SR 93 across the rest of the state, but the proposal was never granted by the AASHTO. On December 17, 1984, the SR 93 designation was removed south of the Grand Avenue/Van Buren Street/7th Avenue intersection in Phoenix. The route was completely decommissioned in 1991.

By 1935, the American Association of State Highway Officials (AASHO) had received two extension requests for U.S. Route 93 south of what was then its southern terminus in Glendale, Nevada. Arizona State Highway Engineer T.S. O'Connell requested US 93 extend southwest into California to meet US 99 in El Centro. At a later time, he reconsidered and sent a second request for US 93 multiplex with US 466 over the new Boulder Dam into Arizona and end at US 66 in Kingman. This created a conflict, leading to both proposals being accidentally denied. After a misunderstanding regarding the conflicting proposals from O'Connell, the second proposal was re-evaluated and approved. Thus, US 93 was extended into Arizona. In 1936, the Arizona Highway Department began exploring the possibility of a further extension of US 93. The first extension proposal called for US 93 to end in Phoenix, being extended from Kingman by way of US 66 through Ash Fork. A new US 193 was proposed from Phoenix through Sacaton and Casa Grande to Picacho. At the time, US 89 served the road between Ash Fork and Phoenix, while State Route 87, State Route 187 and State Route 84 ran between Sacaton and Picacho through Casa Grande (of which only SR 87 still traverses today).


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