(a) For the purposes of this section, the following words shall have the following meanings:
(1) DUMP TRUCK. A motor vehicle which has a bed attached to the truck which allows the front of the bed near the passenger compartment to be raised to over a 20-degree angle to allow the load to be dumped from the rear of the bed.
(2) HIGHWAY. Any public highway, road, or municipal street.
(b) A dump truck may not be driven on any highway of this state with the bed of the truck raised to more than a 20-degree angle except when the dump truck is actively engaged in dumping its load.
(c) A violation of this section is a Class C misdemeanor on the first offense. Any second or subsequent offense is a Class B misdemeanor.
(d) This section shall not be construed to repeal any other criminal law. Whenever conduct prohibited by this section is also prohibited by any other provision of law, the provision that carries the more serious penalty shall be applied.