Oklahoma: Department of Public Safety, Oklahoma City, OK. 405-425-2206.


  1. No vehicle shall be driven or moved on any highway unless such vehicle is so constructed or loaded as to prevent any of its load from dropping, sifting, leaking, blowing or otherwise escaping therefrom, except that sand may be dropped for the purpose of securing traction, or water or other substances may be sprinkled on a roadway in cleaning or maintaining such roadway.
  2. No person shall operate on any highway any vehicle with any load unless said load and any covering thereon is securely fastened so as to prevent said covering or load from becoming loose, detached or in any manner a hazard to other users of the highway. Any vehicle loaded with sand, cinders, or other loose material susceptible to blowing or otherwise escaping shall have such load covered so as to prevent the blowing or escaping of said load from the vehicle.
  3. This section shall not apply to trucks loaded with livestock, poultry or agricultural products only except baled agricultural products, provided that any such truck shall be so constructed or loaded as to prevent such livestock or poultry from escaping therefrom.