Transportation Planning and Programming Division (n.d.). "Interstate Highway No. 35". Highway Designation Files. Texas Department of Transportation. Retrieved February 21, 2008.
Transportation Planning and Programming Division (n.d.). "Interstate Highway No. 37". Highway Designation Files. Texas Department of Transportation. Retrieved February 21, 2008.
Transportation Planning and Programming Division (n.d.). "Interstate Highway No. 410". Highway Designation Files. Texas Department of Transportation. Retrieved February 21, 2008.
Transportation Planning and Programming Division (n.d.). "U.S. Highway No. 87". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "U.S. Highway No. 90". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "U.S. Highway No. 181". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "U.S. Highway No. 281". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway No. 16". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway No. 151". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway No. 211". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway No. 218". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 13". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 53". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 66". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 106". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 107". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 117". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 122". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 345". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 353". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 368". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 371". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 421". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 422". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 536". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Spur No. 537". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.
Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 1604". Highway Designation Files. Texas Department of Transportation. Retrieved February 22, 2008.