US 421 (NC) Intersections with interstate highways 2026-05-20 Roadnow US 421 (NC) Intersections with interstate highways MAP I-77, near Hamptonville, Virginia map • nearbyMAP I-40, near Winston Salem, Virginia map • nearbyMAP I-40 map • nearbyMAP I-85, near Greensboro, Virginia map • nearbyMAP I-40, near Winston Salem, Virginia map • nearbyMAP I-40, near Winston Salem, Virginia map • nearby
