Relating to the route designation for the issuance of a permit for the movement of oversize and overweight vehicles in certain counties.

HB 4663 specifies exact routes for permits allowing oversized and overweight vehicles to travel between border crossings and ports in Cameron County (which borders Mexico). It details paths using U.S. Highways 77 and 83, State Highway 4, and Farm-to-Market roads to reach Brownsville Port, Harlingen Port entrances, and Boca Chica Beach. The bill directly affects trucking companies moving large equipment and port authorities in border counties. It formalizes routing requirements for permit issuance under the Texas Transportation Code, effective September 1, 2025.