The state statutes and administrative rules that govern Texas motor carriers are available on this page.
Texas Transportation Code
General Provisions Relating to Vehicle Size and Weight: Transportation Code Chapter 621
Special Provisions and Exceptions for Oversize or Overweight Vehicles: Transportation Code Chapter 622
Permits for Oversize and Overweight Vehicles: Transportation Code Chapter 623
Motor Carrier Registration: Transportation Code Chapter 643
Single State Registration: Transportation Code Chapter 645
Motor Transportation Brokers: Transportation Code Chapter 646
Texas Administrative Code
Motor Carriers: 43 TAC – Chapter 218
Oversize and Overweight Vehicles and Loads: 43 TAC – Chapter 219