Delaware Trailer Laws & Trailer Regulations

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


Delaware Trailer Brake Laws

Every motor vehicle when operated on a highway shall be equipped with brakes adequate to control the movement, and to stop and hold such vehicle and any trailer attached thereto, including 2 separate means of applying the brakes. 



Delaware Trailer Dimension Laws

Total length: 65 feet; trailer length: 40 feet; width: 102 inches; height: 13 feet 6 inches.



Delaware Trailer Hitch and Signal Laws

Safety chain is recommended. 



Delaware Trailer Lighting Laws

Every trailer shall be equipped with at least 1 tail lamp, mounted on the rear, which when lighted emits a red light plainly visible from a distance of 500 feet to the rear.



Delaware Trailer Mirror Laws

All motor vehicles shall be equipped with a mirror placed so that the driver may readily ascertain the presence of any vehicle traveling in the same direction and overtaking the Driver’s vehicle. 



Delaware Trailer Speed Limit Laws

No trailer carrying a gross weight of load in combination with a vehicle in excess of 4,000 lbs. shall be operated at a speed over 10 mph unless equipped with suitable brakes controlled by the operator of the towing vehicle. 



Delaware Trailer Towing Laws

No vehicle shall be driven upon any highway pulling more than 1 other vehicle.

The drawbar or other connection between any vehicle and the vehicle it is towing shall not exceed 15 feet in length.

If the connection between 2 vehicles, 1 towing the other, consists of a chain, rope, or cable, there shall be a red flag or other cloth not less than 12 inches square attached to the connection. 



Other Delaware Trailer Laws

It shall be unlawful to ride in a house trailer being towed by another vehicle.  






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