Arizona State Route 78
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State Route 78 (or SR-78) is a state highway in eastern Arizona that stretches between its junction with U.S. Route 191 and State Route 75 near Greenlee County Airport east to the New Mexico border at Mule Creek, where it continues at New Mexico State Highway 78. It is also known in its Arizona stretch as Mule Creek Road.
[edit] Junctions
- U.S. Route 191 / State Route 75 (western terminus)
- New Mexico State Highway 78 (eastern terminus)