Indiana Trailer Laws & Trailer Regulations

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


Indiana Trailer Brake Laws

A trailer or semitrailer that weighs at least 3,000 lbs. must be equipped with brakes adequate to control the movement of and to stop and to hold the towing vehicle and trailer or semitrailer.

These brakes must be designed so that the driver of the towing vehicle can apply the brakes from the towing vehicle itself and adequately stop both the towing vehicle and the trailer or semitrailer.



Indiana Trailer Dimension Laws

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



Indiana Trailer Hitch and Signal Laws

Double safety chain required for all trailers; type of hitch not specified. 



Indiana Trailer Lighting Laws

A motor vehicle, trailer, semitrailer, or any other vehicle that is pulled at the end of another vehicle must be equipped with at least 1 rear-mounted red taillight. This taillight must be plainly visible from a distance of 500 feet away. This vehicle must also be equipped with 2 or more rear-mounted white taillights. These taillights must be mounted between 20 inches and 72 inches from the ground. A separate white light must be placed on the vehicle so that it illuminates the rear plate and makes it clearly visible from a distance of 50 feet. All of these taillights must be properly wired so that when the headlights are illuminated, these lights are also illuminated.



Indiana Trailer Mirror Laws

A motor vehicle that is constructed or loaded in a manner that obstructs the Driver’s rear view must be equipped with a mirror located in place where it is able to reflect the Driver’s view of the highway for a distance of at least 200 feet. 



Indiana Trailer Speed Limit Laws

As posted.



Indiana Trailer Towing Laws

The maximum length of 2 or more vehicles together, including any cargo is 60 feet. The maximum length for 3 or more vehicles together, including a load, is 65 feet. The maximum load size in length is 3 feet beyond the front and 4 feet beyond the rear.  






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