Ask A Trooper – Trailer Requirements
Question: In your last Ask a Trooper article, you provided some information on pulling trailers. Can you talk a little more about trailer requirements?
Answer: Here is some additional information on trailer requirements:
- Maximum length — 45 feet
- Maximum width — 8 feet 6 inches
- Maximum height — 13 feet 6 inches
- Tail lamps — two red
- Reflectors — two red
- Rear license plate lamp — one white
The 102-inch width limit (8 feet, 6 inches) for recreational vehicles does not include attachments that do not extend beyond the vehicle’s exterior rearview mirrors if the recreational vehicle is self-propelled.
The width of a trailer may not extend beyond the exterior rearview mirrors of the towing vehicle.
Type A, B or C motor homes may not be longer than 45 feet. The general length limit for single-unit vehicles is 40 feet.
All trailers with a gross vehicle weight of 3,000 pounds or more must be equipped with brakes.
All recreational trailers must have a clearly visible plate with current registration.
A safety chain must be permanently attached to the trailer and fastened to the vehicle used for towing.


