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South Carolina interactive motorway map. Explore the full motorway (freeway) network — filter by speed limits, lane count, construction status and ramp structure. OpenStreetMap data, updated daily.
South Carolina explore motorways on an interactive, filterable map. Filter by speed limits, lanes, construction status and link structure. For motorways and expressways together, switch to the Motorways & Expressways road type.
South Carolina has 16,754 mapped road segments including 2,731 motorway segments, 5,175 trunk road segments and 8,848 primary road segments..
Data: OpenStreetMap contributors
Last update: 2026-04-11