U.S. Route 70 (US 70), also known as the Old West Highway, is an east–west U.S. Highway in the U.S. state of Arizona. The current route starts at US 60 in Globe and runs through the San Carlos Indian Reservation, Safford and Duncan into New Mexico near Virden. In Arizona, US 70 passes through mostly isolated hilly and mountainous terrain largely paralleling the course of the Gila River and the Arizona Eastern Railway.

U.S. Route 60 (US 60) is an east–west United States Highway within Arizona. The highway runs for 369 miles (594 km) from a junction with Interstate 10 near Quartzsite to the New Mexico state line near Springerville. As it crosses the state, US 60 overlaps at various points: I-17, I-10, SR 77, SR 260, US 191, and US 180. Between Wickenburg and Phoenix, the route is known as Grand Avenue. From Tempe to Apache Junction, it is known as the Superstition Freeway.