US 421 (NC) Intersections with interstate highways 2025-10-29 Roadnow US 421 (NC) Intersections with interstate highways MAP I-77, near Hamptonville, Vermont map • nearbyMAP I-40, near Winston Salem, Vermont map • nearbyMAP I-40 map • nearbyMAP I-85, near Greensboro, Vermont map • nearbyMAP I-40, near Winston Salem, Vermont map • nearbyMAP I-40, near Winston Salem, Vermont map • nearby
