State Route 86

Arizona State Route 86

Arizona 86 parallels the Mexican Border through Southern Arizona. Beginning in Ajo, the road travels east through the Tohono O'odham Reservation, passing Kitt Peak on the way to Tucson, where the road ends at Interstate 19.

Arizona 86 has been expanded and contracted significantly over the years. The original alignment was established in 1930 between Willcox and Bowie Junction. In 1931, it was expanded to go between Benson and San Simon.

In 1943, the road was expanded west through the Tohono O'odham reservation to Ajo.

Arizona 86 became the primary route between Tucson and El Paso, leading to its partial demise in 1970 as Interstate 10 was built over the route from Benson to San Simon, truncating the route to U.S. 89 in Tucson.

In 2002, the road was cut back further to Interstate 19.

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Page Updated Monday July 21, 2008.