New Mexico Trailer Laws & Trailer Regulations

New Mexico's laws and regulations for trailers are listed below:


New Mexico Trailer Brake Laws

Trailers must be equipped with brakes if they have a gross weight of 3,000 lbs. or greater.

In any combination of motor-drawn vehicles, means shall be provided for applying the rearmost trailer brakes, of any trailer equipped with brakes, in approximate synchronism with the brakes on the towing vehicle.



New Mexico Trailer Dimension Laws

Total length: 65 feet; trailer length: 40 feet (includes bumpers); width: 102 inches (allows outside width to exceed 102 inches if the excess is due to an appurtenance); height: 14 feet.



New Mexico Trailer Hitch and Signal Laws

Hitch must be secured to frame; safety chain required; double safety chain required for gross weight in excess of 3,000 lbs.



New Mexico Trailer Lighting Laws

Trailers must be equipped with at least 1 red light tail lamp mounted on the rear that is plainly visible from a distance of 500 feet, and must also be equipped with at least 1 white light illuminating the license plate so as to make it visible from at least 50 feet from the rear.

Trailers must have 2 amber clearance lamps mounted on the front of the vehicle, with 1 on either end of the front side.

Trailers must also be equipped with 2 red reflectors, 1 at each side, and at least 1 red or amber stop/break lamp and must be equipped with at least 1 lamp or mechanical turn-signaling device visible from both the front and the rear.

Trailers must be equipped with at least 1 lamp or mechanical turn-signaling device visible from both the front and the rear.



New Mexico Trailer Mirror Laws

Every vehicle must be equipped with a mirror so located as to reflect to the driver a view of the highway from a distance of at least 200 feet to the rear of the vehicle.



New Mexico Trailer Speed Limit Laws

As posted.



New Mexico Trailer Towing Laws

When 1 vehicle is towing another and the connection consists of a chain, rope, or cable, there must be displayed upon such connection a white flag or cloth not less than twelve inches square.

When a combination of vehicles are engaged in transporting poles, pipe, machinery, or other objects of structural nature which cannot readily be dismembered, the load shall be distributed so as to equalize the weights on the axle of each vehicle insofar as possible. 






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