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
Geronimo, Arizona Geronimo, Arizona Geronimo is a populated place located on Highway 70 between Bylas and Fort Thomas west of Safford in Graham County, Arizona. Geronimo lies at an elevation of . Geronimo was named after the famous Apache chief Goyaalé, better known as Geronimo. Camp Thomas, the U. S. Cavalry began its management of the Apache Indian Reservation along the Gila River, was originally located here in 1876. The camp was later moved east to what is now Fort Thomas. Geronimo was once a stop on the Arizona Eastern Railway and had an operating US Post Office from April 30, 1896