Basconi, Mary Alice (October 14, 1984). "Road-sign plan under way in area". Johnson City Press-Chronicle. p. 4. Retrieved May 11, 2023 – via Newspapers.com.
Long Range Planning Division Office of Data Visualization (2018). Shelby County(PDF) (Map). Tennessee Department of Transportation.
Tennessee Department of Transportation (2014). "Brief History of TDOT"(PDF). Tennessee Department of Transportation. Archived(PDF) from the original on January 23, 2020. Retrieved April 28, 2020.
Tennessee Department of Transportation (2014). "Brief History of TDOT"(PDF). Tennessee Department of Transportation. Archived(PDF) from the original on January 23, 2020. Retrieved April 28, 2020.