Wyo. Stat. § 31-12-104: Liability for cost of safety precautions; applicability of liability to vehicle owner, lessee or bailee.

(a) The liability provided by W.S. 31-12-103 through 31-12-105 shall include the cost of necessary safety precautions, such as warning traffic and the removal of debris resulting from accidents.

(b) The liability provided by W.S. 31-12-103 through 31-12-105 shall apply to an owner, lessee or bailee of a vehicle, object or contrivance which is operated, driven or moved under his employ or with his express or implied permission. The owner, lessee or bailee and the driver or operator shall be jointly and severally liable for any damage.