Texas. Department of Transportation.Transportation News, Volume 31, Number 6, August - September 2006,
periodical,
September 2006;
Austin, Texas.
(https://texashistory.unt.edu/ark:/67531/metapth310731/m1/1/:
accessed March 28, 2024),
University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu;
crediting UNT Libraries Government Documents Department.