Colorado Trailer Laws & Trailer Regulations

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


Colorado Trailer Brake Laws

Every trailer or semitrailer of a gross weight of 3,000 lbs. or more shall be equipped with brakes adequate to control the movement of and to stop and hold such vehicle. Brakes shall also be designed and connected that in case of an accidental breakaway of the towed vehicle, the brakes shall automatically apply. 



Colorado Trailer Dimension Laws

Total length: 70 feet; trailer length: not specified; width: 102 inches (allows outside width to exceed 102 inches if excess is due to an appurtenance); height: 14 feet 6 inches. 



Colorado Trailer Hitch and Signal Laws

Safety chain required. No limitations on hitch except the connections between vehicles must be of sufficient strength to pull all weight being towed. 



Colorado Trailer Lighting Laws

Every trailer shall be equipped with at least 1 tail lamp mounted in the rear. Lamp shall emit red light plainly visible from a distance of 500 feet from the rear. Tail lamps shall be located at a height of not more than 72 inches nor less than 20 inches.



Colorado Trailer Mirror Laws

Every motor vehicle shall be equipped with a mirror or mirrors so located as to reflect to the driver a free and unobstructed view of the highway for a distance of at least 200 feet. 



Colorado Trailer Speed Limit Laws

Same as passenger cars/trucks.



Colorado 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