Oregon Trailer Laws & Trailer Regulations

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


Oregon Trailer Brake Laws

Independent braking system not required, but combination of vehicles must be able to stop within legal limits. Every motor vehicle and combination of motor vehicles, except motorcycles and mopeds, shall at all times be equipped with a parking brake system. 



Oregon Trailer Dimension Laws

Trailers equipped with pneumatic tires that are not operated with a loaded weight of more than 1,800 lbs. are not required to be registered. Total length: 65 feet; trailer length: 45 feet; width: 102 inches; height: 14 feet.

Campers are subject to the same registration and titling requirements as any other vehicle.



Oregon Trailer Hitch and Signal Laws

Adequate to control trailer under all conditions of varying speeds and weights; 1 safety chain is required on all trailers with 2 connections to the towing vehicle. The tensile strength of the safety chain must equal the gross weight of the trailer.



Oregon Trailer Lighting Laws

All trailers are required to be equipped with 2 taillights, registration plate lights, 2 brake lights, turn signal lights, and 2 rear reflectors.

Any trailer that is 80 inches or more in overall width and less than 30 feet in overall length must be equipped with 2 front and 2 rear clearance lights, and front and rear identification lights.

Any trailer that is 30 feet or more in overall length must be equipped with 2 front and 2 rear clearance lights, front and rear identification lights, and intermediate side marker lights and side reflectors on each side of the vehicle.



Oregon Trailer Mirror Laws

All vehicles must be equipped with mirrors such that the driver has a clear and unobstructed view of the rear at all times and under all conditions of load that will enable the driver to see an approaching vehicle from a distance of not less than 200 feet. 



Oregon Trailer Speed Limit Laws

Any vehicle towing a trailer, any camper, and any vehicle with a registration weight of 8,000 lbs. or more must drive in the right lane of all roadways having 2 or more lanes for traffic proceeding in a single direction. 



Oregon Trailer Towing Laws

It is unlawful for a person to be a passenger in any towed vehicle. This provision does not apply to a 5th-wheel trailer if the 5th-wheel trailer is equipped with safety glazing materials on the windows and doors, an auditory or visual signaling device that may be used to contact the driver, and at least 1 unobstructed exit capable of being opened from both the interior and exterior.  






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