Reform SCDOT
- Grassroots organization for better South Carolina transportation policies; includes problem areas, roads that should not or should not have been built, newsroom, and blog.
- http://reformscdot.com/

South Carolina Railroad Stations
- Includes photos and brief histories of the Southern, Atlantic Coast Line, Seaboard Air Line, Seaboard Coast Line train stations.
- http://tsalmon.topcities.com/

SC Heritage Corridor
- Promotes economic development in rural areas of the state through heritage tourism in 14 counties by highlighting natural and historic attractions; includes routes, maps, and regional trivia.
- http://www.sc-heritagecorridor.org/

SC Transportation Policy and Research Council
- Organization to support and promote positive transportation initiatives in the state; includes news, current events, and related links.
- http://www.sctransportation.com/

Traffic Patrol Broadcasting, Inc.
- Provides ongoing reports of commuter traffic conditions in metropolitan areas across the Carolinas.
- http://www.trafficpatrolbroadcasting.com/