Missouri Revised Statutes Title XIX. Motor Vehicles, Watercraft and Aviation § 301.705. Operation, where allowed--sovereign immunity, when--persons under sixteen may not operate without supervision, exception

1. No person shall operate an all-terrain vehicle on private property without the consent of the owner of or lessor thereof. Any person operating an all-terrain vehicle upon lands of another shall stop and identify himself upon the request of the landowner or his duly authorized representatives and, if requested to do so by the landowner, shall promptly remove the all-terrain vehicle from the premises.

2. The state may, in its discretion, determine whether or not a road or area shall be closed to vehicular traffic. Adequate notices of such designation and determination shall be displayed in such areas or by such roads.

3. Sections 537.600 to 537.650, establishing the doctrine of sovereign immunity for governmental entities, and exceptions thereto, shall apply to any death, personal injury or property damage caused in whole or in part, directly or indirectly, by activity involving the use of an all-terrain vehicle on lands in which any such governmental entity has an ownership, leasehold, or other possessory interest or an easement.

4. No person under the age of sixteen shall operate an all-terrain vehicle in this state unless such person is accompanied by and under the direct supervision of a parent or guardian or is accompanied by and under the direct supervision of an adult who is authorized by the operator's parent or guardian to supervise the operator. This subsection shall not apply on private property owned by the parent or guardian of such person operating the all-terrain vehicle.