(a) No vehicle shall be driven or moved on any highway unless the vehicle is so constructed or loaded as to prevent any of its load from dropping, sifting, leaking, or otherwise escaping therefrom.
(b) Sand may be dropped for the purpose of securing traction, or water or other substance may be sprinkled on a roadway in cleaning or maintaining the roadway.
(c) For a motor vehicle or a trailer with an open bed manufactured after September 30, 2001, no sand, gravel, or rock shall be transported on the paved public streets and highways of this state in a motor vehicle or trailer with an open bed unless the open bed is securely covered with a material which will prevent the load from dropping, sifting, leaking, or otherwise escaping therefrom. The cover shall be securely fastened to prevent the covering from becoming loose, detached, or in any manner a hazard to other users of the highway.
(d) For a motor vehicle or a trailer with an open bed manufactured on or before September 30, 2001, a vehicle with an open bed transporting sand, gravel, or rock is required to be covered as prescribed in subsection (c) of this section unless six inches (6") of freeboard is maintained at the perimeter of the load within the open bed of the vehicle or trailer carrying the load. Measurements are to be taken at the perimeter of the vehicle's or trailer's bed and measured from the top edge of the bed down to the sand, gravel, or rock being transported.