U.S. Highway 70 (US 70) runs east–west through across the heart of Arkansas for 286.9 miles (461.7 km). US 70 enters the state from Oklahoma west of De Queen, and exits to Tennessee at Memphis, running concurrently with Interstate 55 (I-55), US 61, US 64, and US 79. The highway passes through the major cities of Hot Springs, Little Rock, North Little Rock, and West Memphis.