Interstate 40 in Arizona Interstate 40 in Arizona Interstate 40 (I-40) is an east–west Interstate Highway that has a section in the U.S. state of Arizona, connecting sections in California and New Mexico. The section throughout Arizona is also known as the Purple Heart Trail. It enters Arizona from the west at a crossing of the Colorado River southwest of Kingman. It travels eastward across the northern portion of the state connecting the cities of Kingman, Ash Fork, Williams, Flagstaff, Winslow, and Holbrook. I-40 continues into New Mexico, heading to Albuquerque. The highway has major junctions with U.S. Route 93 (US 93) — the
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