US 421 (NC) Intersections with interstate highways 2026-10-06 Roadnow US 421 (NC) Intersections with interstate highways MAP I-77, near Hamptonville, Maine map • nearbyMAP I-40, near Winston Salem, Maine map • nearbyMAP I-40 map • nearbyMAP I-85, near Greensboro, Maine map • nearbyMAP I-40, near Winston Salem, Maine map • nearbyMAP I-40, near Winston Salem, Maine map • nearby
