Arizona State Route 86 east of I-19. The Census Designated Place of Why was named after the "Y" shaped intersection between SR 85 and SR 86. The intersection has since been rebuilt into a "T" shaped intersection. Arizona State Route 86 State Route 86 (or SR 86) is a state highway in southern Arizona that stretches from its junction with State Route 85 in Why east to its junction at 16th Avenue east of Interstate 19 in Tucson. It formerly went east to the New Mexico border near Lordsburg, but this eastern segment has been superseded by Interstate 10. SR 86 is the primary
Buckskin Mountains (Arizona) Park is located here. 7. The Bill Williams River downstream from Alamo Lake State Park is the northern border of the three ranges, as well as the de facto border of fold-and-thrust-belt. The river is also a dividing line between the Mojave Desert north and northwest, and the Sonoran Desert, south and southeast; in California, the Colorado Desert subsection of the Sonoran Desert lies southwest. Buckskin Mountains (Arizona) The Buckskin Mountains, of Arizona, are a mountain range in west-central Arizona, USA. The range lies just east of the north-south Colorado River, and borders south of the east-west, west-flowing Bill Williams