Sec. 545.4191.  PERSON RIDING IN TRAILER OR SEMITRAILER DRAWN BY TRUCK, ROAD TRACTOR, OR TRUCK TRACTOR.  (a)  A person may not operate a truck, road tractor, or truck tractor when another person occupies a trailer or semitrailer being drawn by the truck, road tractor, or truck tractor.
(b)  It is a defense to prosecution under this section that:
(1)  the person was operating or towing the vehicle:
(A)  in a parade or in an emergency;
(B)  to transport farmworkers from one field to another field on a farm-to-market road, ranch-to-market road, or county road outside a municipality;  or
(C)  in a hayride permitted by the governing body of or a law enforcement agency of each county or municipality in which the hayride will occur;
(2)  the person operating or towing the vehicle did not know that another person occupied the trailer or semitrailer;  or
(3)  the person occupying the trailer or semitrailer was in a part of the trailer or semitrailer designed for human habitation.
(c)  An offense under this section is a Class B misdemeanor.
Added by Acts 2003, 78th Leg., ch. 641, Sec. 1, eff. Sept. 1, 2003.