Bureau of Transportation Statistics (June 13, 2022). "National Highway Planning Network" (Map). National Transportation Atlas Database. Washington, D.C.: United States Department of Transportation. Retrieved April 29, 2023.
Siniard, Tim (September 13, 2018). "Exit 20 named for Brooks". Cleveland Daily Banner. Archived from the original on September 13, 2018. Retrieved July 27, 2023.
Federal Highway Administration (November 7, 2014). "Chapter 18: Strategic Highway Network (STRAHNET)". Status of the Nation's Highways, Bridges, and Transit: 2004 Conditions and Performance. Federal Highway Administration. Retrieved August 27, 2015.
Siniard, Tim (September 13, 2018). "Exit 20 named for Brooks". Cleveland Daily Banner. Archived from the original on September 13, 2018. Retrieved July 27, 2023.