Spilled load/prevent spilled load 23114 (a): Except as provided in Subpart I (commencing with Section 393.100) of Title 49 of the Code of Federal Regulations related to hay and straw, a vehicle shall not be driven or moved on any highway unless the vehicle is so constructed, covered, or loaded as to prevent any of its contents or load other than clear water or feathers from live birds from dropping, sifting, leaking, blowing, spilling, or otherwise escaping from the vehicle.

Swill leakage 23115 (a): No vehicle transporting garbage, swill, used cans or bottles, waste papers, waste cardboard, ashes, refuse, trash, or rubbish, or any noisome, nauseous, or offensive matter, or anything being transported for disposal or recycling shall be driven or moved upon any highway unless the load is totally covered in a manner that will prevent the load or any part of the load from spilling or falling from the vehicle.

Present false weight tabs 4462 (b): A person shall not display upon a vehicle, nor present to any peace officer, any registration card, identification card, temporary receipt, license plate, temporary license plate, device issued pursuant to Section 4853 , or permit not issued for that vehicle or not otherwise lawfully used thereon under this code.

Driving out of class 12500 (d): A person may not drive a motor vehicle or combination of vehicles that is not of a type for which the person is licensed.

Unsafe vehicle 24002 (a): It is unlawful to operate any vehicle or combination of vehicles which is in an unsafe condition, or which is not safely loaded, and which presents an immediate safety hazard.

Tow trucks without proper number of safety chains 29004 (a)(1): Except as required under paragraph (2), a towed vehicle shall be coupled to the towing vehicle by means of a safety chain, cable, or equivalent device in addition to the regular drawbar, tongue, or other connection.

(2) A vehicle towed by a tow truck shall be coupled to the tow truck by means of at least two safety chains in addition to the primary restraining system. The safety chains shall be securely affixed to the truck frame, bed, or towing equipment, independent of the towing sling, wheel lift, or under-reach towing equipment.

(3) A vehicle transported on a slide back carrier tow truck or on a trailer shall be secured by at least four tiedown chains, straps, or an equivalent device, independent of the winch or loading cable. This subdivision does not apply to vehicle bodies that are being transported in compliance with Sections 393.100 to 393.136, inclusive, of Title 49 of the Code of Federal Regulations.

(b) All safety connections and attachments shall be of sufficient strength to control the towed vehicle in the event of failure of the regular hitch, coupling device, drawbar, tongue, or other connection. All safety connections and attachments also shall have a positive means of ensuring that the safety connection or attachment does not become dislodged while in transit.

(c) No more slack may be left in a safety chain, cable, or equivalent device than is necessary to permit proper turning. When a drawbar is used as the towing connection, the safety chain, cable, or equivalent device shall be connected to the towed and towing vehicle and to the drawbar so as to prevent the drawbar from dropping to the ground if the drawbar fails.

Trailers ill-equipped or not equipped with breakaway brake cable 26304 (a): Power brakes on any trailer or semitrailer manufactured after December 31, 1955, operated over public highways and required to be equipped with brakes shall be designed to be automatically applied upon breakaway from the towing vehicle and shall be capable of stopping and holding such vehicle stationary for not less than 15 minutes.