Alabama Trailer Laws & Trailer Regulations

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


Alabama Trailer Brake Laws

Independent braking system required over 3,000 lbs.



Alabama Trailer Dimension Laws

Total length: 65 feet; trailer length: 40 feet (includes bumpers); width: 96 inches (102 inches allowed on designated roads); height: 13 feet 6 inches.



Alabama Trailer Hitch and Signal Laws

Drawbar or connection between vehicles must not exceed 15 feet in length; a red flag, other signal, or cloth not less than 12 inches in length and width must be used.



Alabama Trailer Lighting Laws

Trailer, semitrailer, pole trailer, or vehicle drawn by another vehicle must be equipped with at least 1 tail lamp on rear that emits red light from a distance of 500 feet and the lamp height must be no more than 60 inches but not less than 20 inches.

Trailer, semitrailer, or pole trailer with a gross weight of 3,000 lbs. or less must have 2 reflectors on the rear with 1 placed on each side.

If load or trailer obscures stop light view of towing vehicle, stop light must be placed on towed vehicle.



Alabama Trailer Mirror Laws

Rearview mirrors required on both sides.



Alabama Trailer Speed Limit Laws

Must be reasonable and proper.



Alabama Trailer Towing Laws

Maximum of 1 boat or general utility trailer may be towed behind passenger or pleasure vehicles. 



Other Alabama Trailer Laws

Riding in towed trailer not permitted.

House trailers more than 40 feet long or 8 feet wide excluded without state permit.






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