Live Chat I-40 Community Nearby Traffic US 421 (NC) Traffic 2024-05-29 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 421 (NC) Walkertown, NC 8.84 Rural Hall, NC 8.92 Kernersville, NC 8.92 Interstate highway exits close to US 421 (NC) Exit 193b a, i40 5.03 Exit 193c, i40 5.36 Exit 195, i40 5.41 Interstate highways close to US 421 (NC) i40 map 5.03 i85 map 30.04 i77 map 53.42 State roads close to US 421 (NC) US 421 NC map 1.29 NHS HIGH PRIORITY CORRIDORS 5 map 1.53 NC 8 map 1.55