 The U.S. Highway enters the town of Weber City as Main Street, which parallels Norfolk Southern Railway's Appalachia Division as a four-lane undivided highway.At the north edge of the town, US 23 intersects US 58 and US 421 (Hilton Road); the three highways run concurrently with the railroad through Moccasin Gap, where Moccasin Creek passes through Clinch Mountain.US 23, US 58, and US 421 enter the town of Gate City; U.S. Route 23 Business, U.S. Route 58 Business and U.S. Route 421 Business pass through the center of town while the mainline of the U.S.