Oklahoma Trailer Laws & Trailer Regulations

Oklahoma's laws and regulations for trailers are listed below:


Oklahoma Trailer Brake Laws

Every trailer, semitrailer, and pole trailer with a GVWR of 3,000 lbs. or more shall be equipped with independent braking system adequate to control the movement of and to stop such a vehicle. 



Oklahoma Trailer Dimension Laws

Total length: 65 feet; trailer length: 40 feet; width: 102 inches; height: 13 feet 6 inches. 



Oklahoma Trailer Hitch and Signal Laws

Every trailer, semitrailer (unless drawn by a truck-tractor), or manufactured home shall be equipped with chains or cables to prevent parting from the towing vehicle in the event that the coupling device breaks or becomes disengaged; or chains, cables, or a safety device that provides strength, security of attachment, and directional stability equal to or greater than that provided by safety chains that prevent the parting from the towing vehicle. 



Oklahoma Trailer Lighting Laws

On every trailer or semitrailer with a GVWR over 3,000 lbs., there must be the following equipment: on the front, 2 clearance lamps, with 1 on each side; on each side, 2 side marker lamps and 2 reflectors, with 1 each at the front and the rear; and on the rear, 2 clearance lamps and 2 reflectors, with 1 each at either side.

Every trailer, semitrailer, or pole trailer with a GVWR of 3,000 lbs. or less must have 2 reflectors, with 1 on either side of the rear of the vehicle. If the trailer is equipped to obscure the stop lights of the towing vehicle, 1 stop light is required.



Oklahoma Trailer Mirror Laws

Every motor vehicle towing another vehicle must be equipped with a mirror so located as to reflect to the driver a view of the roadway for at least 200 feet to the rear. 



Oklahoma Trailer Speed Limit Laws

As posted.



Oklahoma Trailer Towing Laws

Every trailer, semitrailer, or manufactured home shall be equipped with a coupling device designed and constructed so that the trailer will follow in substantially the same path as the vehicle towing it without whipping or swerving from side to side.  






The United States Trailer Laws and Regulations by State by is not an inclusive list of laws, regulations and it should be used by reference only and not used for any other purpose. is not liable for incorrect or incomplete information. To report an error, incomplete or incorrect information, please send an email to