DFWFreeways.info
- Includes historical information on and photographs of freeways in the Dallas - Fort Worth area.
- http://www.dfwfreeways.info/

Austin Toll Party
- Group opposing the toll road plans in and around that city. Site includes maps and feedback form.
- http://www.austintollparty.com/

Trans-Texas Corridor
- Weblog providing political commentary and information. The site includes links to related websites and sites of elected officials in the state.
- http://transtexascorridor.blogspot.com/

North Texas Tollway Authority
- Information and news for the toll roads in Dallas. Details on the TollTag system.
- http://www.ntta.org/

CorridorWatch.org
- A group of public officials and private citizens opposed to the Texas Department of Transportation's proposed Trans-Texas Corridor, a wide multimodal rebuild of certain highways. Website includes membership information, discussion forum, maps, and govern
- http://www.corridorwatch.org/

Project Pegasus
- Information concerning the IH 30/IH 35E Canyon, Mixmaster and Lower Stemmons Freeway projects in Dallas.
- http://www.projectpegasus.org/

TexasFreeway.com
- Detailed schematics and history.
- http://www.texasfreeway.com/

Grand Parkway
- The official page for the proposed outer-outer-beltway around Houston, also called TX 99. Maps, hearing records, and general information.
- http://www.grandpky.com/