US 21 (NC) Intersections with interstate highways 2024-10-05 Roadnow US 21 (NC) Intersections with interstate highways MAP I-77, near Troutman, North Carolina map nearbyMAP I-40, near Statesville, North Carolina map nearbyMAP I-40, near Statesville, North Carolina map nearbyMAP I-77, near Charlotte, North Carolina map nearbyMAP I-77, near Elkin, North Carolina map nearbyMAP I-277NC map nearbyMAP I-277NC map nearbyMAP I-77, near Charlotte, North Carolina map nearbyMAP I-485NC, near Charlotte, North Carolina map nearbyMAP I-485NC, near Charlotte, North Carolina map nearby