Tennessee Trailer Laws & Trailer Regulations

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


Tennessee Trailer Brake Laws

Every trailer or semitrailer of a gross weight of 3,000 lbs. or more must be equipped with brakes that may be applied by the driver of the towing vehicle from the cab and must be of a design such that in case of an accidental breakaway of the towed vehicle, the brakes will be automatically applied. 



Tennessee Trailer Dimension Laws

Total length: 65 feet; trailer length: 40 feet; width: 102 inches (excludes required clearance lights, rearview mirrors, other accessories, and safety devices); height: 13 feet 6 inches. 



Tennessee Trailer Hitch and Signal Laws

Any vehicle being towed by another vehicle must be connected to the towing vehicle with a chain that is reasonably capable of maintaining the attachment of the 2 vehicles in case of failure of any other attachment device.



Tennessee Trailer Lighting Laws

Every vehicle being towed by another vehicle must carry at the rear a lamp of type which exhibits a yellow or red light plainly visible under normal atmospheric conditions from a distance of 500 feet to the rear.



Tennessee Trailer Mirror Laws

Required if vision from inside mirror is obstructed. 



Tennessee Trailer Speed Limit Laws

Rural interstate, 70 mph or as otherwise posted. 



Tennessee Trailer Towing Laws







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