United States Geological Survey (July 1, 1975). Southern Lubbock, Texas Quadrangle (Map). 7.5 minute. Reston, VA: United States Geological Survey. Archived from the original on July 15, 2022. Retrieved October 21, 2011 – via MSR Maps.[full citation needed]
Transportation Planning and Programming Division (n.d.). "U.S. Highway No. 87". Highway Designation Files. Texas Department of Transportation.
Transportation Planning and Programming Division (n.d.). "State Highway No. 9". Highway Designation Files. Texas Department of Transportation.
Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 461". Highway Designation Files. Texas Department of Transportation.
Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 369". Highway Designation Files. Texas Department of Transportation.
Transportation Planning and Programming Division (n.d.). "State Highway Loop No. 445". Highway Designation Files. Texas Department of Transportation.
Transportation Planning and Programming Division (n.d.). "Farm to Market Road No. 1541". Highway Designation Files. Texas Department of Transportation.
Texas Department of Transportation. "TxDOT History: 2000 to 1971". Texas Department of Transportation. Archived from the original on September 8, 2007.
Transportation Planning and Programming Division (n.d.). "Business U.S. Highway No. 87-G". Highway Designation Files. Texas Department of Transportation.
Special Committee on U.S. Route Numbering (November 2023). "2023 Fall Meeting Report to the Council on Highways and Streets"(PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived(PDF) from the original on December 5, 2023. Retrieved July 28, 2024.
Texas Department of Transportation. "TxDOT History: 2000 to 1971". Texas Department of Transportation. Archived from the original on September 8, 2007.
United States Geological Survey (July 1, 1975). Southern Lubbock, Texas Quadrangle (Map). 7.5 minute. Reston, VA: United States Geological Survey. Archived from the original on July 15, 2022. Retrieved October 21, 2011 – via MSR Maps.[full citation needed]
Special Committee on U.S. Route Numbering (November 2023). "2023 Fall Meeting Report to the Council on Highways and Streets"(PDF) (Report). Washington, DC: American Association of State Highway and Transportation Officials. Archived(PDF) from the original on December 5, 2023. Retrieved July 28, 2024.