What Are the Texas DOT's Trailer Light Requirements?

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A trailer is a non-motorized vehicle pulled behind an automobile. Trailer light requirements in Texas vary according to the size and weight of the trailer. If a trailer's empty weight is not on its title, a weigh station can issue a weight certificate.

Basic Requirements for All Trailers

Brake lights are required on the back of all trailers.
••• Classic Tail light image by Digital Photique from Fotolia.com

According to the Texas Department of Public Safety, trailers measuring less than 80 inches wide and 30 feet long are not required to have lights or reflectors on their front or sides. On the rear, they must have one white license plate light, a red reflector on each side, one brake light on each side, electric turn lights (left and right), and tail lights.

Additional Requirements for Trailers 80 or More Inches Wide

Trailers exceeding 80 inches in width are also required to have one amber reflector on each side near the front, one red reflector on each side of the rear, hazard lights, clearance lights on the front and rear, and side marker lights on the front and rear.

Additional Requirements for Trailers 30 or More Feet Longer

Trailers measuring 30 feet or more in length must meet the standard lighting requirements while also displaying one amber reflector on each side in the center, one red reflector on each side of the rear, a marker light centered on each side, and hazard lights.