State Route 78 (Arizona–New Mexico)

The Arizona State Route 78 is a state highway in the U.S. state of Arizona, which runs in an east - west direction.

The State Route begins at the intersection with U.S. Highway 191 and Arizona State Route 75 near the Greenlee County Airport in Three Way south of Clifton and ends east of Mule Creek on the border of New Mexico. After the limit is called the Highway New Mexico State Route 78