(a) Designation The portion of United States Highway 75 between President George Bush Turnpike and United States Highway 380 currently designated as Sam Johnson Highway, shall, after the date of enactment of this Act, be known and designated as the U.S. Congressman and Prisoner of War Sam Johnson Memorial Highway. (b) Reference Any reference in any law, regulation, map, document, paper, or other record of the United States to the portion of the highway referred to in subsection (a) shall be considered to be a reference to the U.S. Congressman and Prisoner of War Sam Johnson Memorial Highway.