Texas Transportation Code - TRANSP § 547.352. Additional Lighting Equipment Requirements

(A) two clearance lamps on the front, one at each side;

(B) two clearance lamps on the rear, one at each side;

(C) four side marker lamps, one on each side at or near the front and one on each side at or near the rear;

(D) four reflectors, one on each side at or near the front and one on each side at or near the rear;  and

(E) hazard lamps that meet the requirements of Section 547.331;

(A) two side marker lamps, one centrally mounted on each side with respect to the length of the vehicle;

(B) two reflectors, one centrally mounted on each side with respect to the length of the vehicle;  and

(C) hazard lamps that meet the requirements of Section 547.331;

(A) two side marker lamps, one at each side at or near the front of the load;

(B) one reflector at or near the front of the load;

(C) one combination marker lamp that:

(D) hazard lamps that meet the requirements of Section 547.331, if the pole trailer is at least 30 feet long or at least 80 inches wide;

(A) two clearance lamps, one at each side on the front of the cab;  and

(B) hazard lamps that meet the requirements of Section 547.331, if the truck-tractor is at least 30 feet long or at least 80 inches wide;  and

(A) not more than three front identification lamps without glare;  and

(B) not more than three rear identification lamps without glare.