Texas Trailer Regulations You Need to Know

Texas has specific laws governing trailer operation on public roads. Whether you’re a professional hauler or occasional user, knowing these regulations keeps you legal and safe. ## Registration Requirements All trailers over 4,000 lbs gross weight must be registered with the Texas DMV. You’ll need a title, proof of insurance (if required), and payment of registration fees. Farm trailers used exclusively on private property may be exempt. ## Lighting Requirements Texas law requires: – Red tail lights visible from 1,000 feet – Red stop lights – Amber turn signals on both sides – Reflectors on the rear corners – Side marker lights for trailers over 30ft Inspect your trailer lights before every trip — a broken tail light can result in a fine and compromises safety. ## Brake Requirements Any single trailer with a gross weight over 4,500 lbs must have functioning brakes. Tandem axle trailers should have brakes on both axles if the combined weight exceeds 4,500 lbs. Electric brakes with a brake controller in the tow vehicle are the most common setup. ## Width and Height Limits – Maximum width: 8.5 feet (102 inches) without a permit – Maximum height: 14 feet without a permit – Maximum length (vehicle + trailer): 65 feet without a permit ## Weight Limits Texas maximum gross vehicle weight without a permit is 80,000 lbs. Single axle limit is 20,000 lbs; tandem axle is 34,000 lbs. ## Safety Chains Safety chains are required on all trailers in Texas. Chains must be crossed under the trailer tongue and have sufficient strength to control the trailer if the hitch fails.