Toll Authorities in Texas

• Central Texas Regional Mobility Authority www.ctrma.org
  Austin, Round Rock and surrounding areas (Travis and Williamson Counties)
• Alamo Regional Mobility Authority www.alamorma.org
  San Antonio and surrounding areas (Bexar County)
• Cameron County Regional Mobility Authority (956) 574-8771
  Brownsville, South Padre and surrounding areas (Cameron County)
• Grayson County Regional Mobility Authority www.co.grayson.tx.us/gcrma.htm
  Sherman and surrounding areas (Grayson County)
• North East Texas Regional Mobility Authority (NETRMA) www.netrma.org
  Tyler and surrounding areas
• Harris County Toll Road Authority (HCTRA) www.hctra.com
  Houston and surrounding areas (Harris County)
• North Texas Tollway Authority (NTTA) www.ntta.org
  Dallas, Fort Worth and surrounding areas (Tarrant and Dallas Counties)

Other Transportation Planning Authorities

• Association of Metropolitan Planning Organizations www.ampo.org
• Capital Area Metropolitan Planning Authority (CAMPO) www.campotexas.org
• Corpus Christi Metropolitan Planning Organization www.corpuschristi-mpo.org
• El Paso Metropolitan Planning Organization www.elpasompo.org
• Houston–Galveston (H-GAC) Metropolitan Planning Organization www.hgac.com
• Sherman-Denison Metropolitan Planning Organization www.sdmpo.org
• Tyler Area Metropolitan Planning Organization www.cityoftyler.org
• Waco Metropolitan Planning Organization www.waco-texas.com/mpo/programs.htm