Texas Department of Transportation

Includes road conditions, public transportation, district offices, GPS information, statistical roadway information, and consumer services.
http://www.dot.state.tx.us/

Texas Mileage Guide

Shows the mileage between two locations with a database of more than 1,700 locations including 50 out-of-state cities.
http://www.cpa.state.tx.us/comptrol/texastra.html

Interstate 69 Texas

Offers general information, photo gallery, and project facts.
http://www.i69texas.org/

Just Transportation Alliances

Organizes seniors, low-income people and people with disabilities for access to transportation. Includes information about alliances, news, and tools and resources.
http://www.justtransportation.org/

TexasFreeway.com

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

Wright Amendment Fact Website

Group devoted to changing the Wright Amendment, which bars out-of-state flights from Dallas Love Field. Includes issue history, document archive, links to local politicians, and FAQ.
http://www.fightwright.org/

Mesquite Belt

Class 1 railroad bridge route using the Katy Railroad's Galveston to Houston to Ft. Worth line. Offers history, design and depot information.
http://www.trainweb.org/mesquitebelt/