Live Chat I-40 Community Nearby Traffic US 421 NC 2024-05-16 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 421 NC High Point, NC 7.14 Greensboro, NC 7.14 Colfax, NC 7.60 Interstate highway exits close to US 421 NC Exit 203, i40 4.38 Exit 201, i40 5.37 Exit 206, i40 6.91 Interstate highways close to US 421 NC i40 map 4.38 i85 map 23.64 i77 map 65.30 State roads close to US 421 NC NC 150 map 1.20 NC 66 map 1.20 US 421 NC map 1.90