Website Links:

• Texas Department of Transportation
• Trans Texas Corridor Information
• North Central Texas Council of Governments (Transportation)
• Texas Tollways 

Regional Mobility Authorities:

• Alamo RMA
• Grayson County RMA
• Northeast Texas RMA
• Central Texas RMA  

Turnpike Authorities:

• Central Texas Turnpike System
• Harris County Toll Road Authority
• North Texas Tollway Authority  

Research:

• Texas Transportation Institute (Texas A&M)
• Center for Transportation Research (University of Texas)