Me. Rev. Stat. tit. 29-A, § 2080

Notwithstanding any other provision of law, whenever an all-terrain vehicle or off-road vehicle is operated on a way, the vehicle and operator are subject to all provisions of this Title, except chapters 5, 7, 13 and 15. Whenever an all-terrain vehicle or off-road vehicle is operated on a way, the operator is not subject to the provisions of chapter 11, except when an all-terrain vehicle is permitted in accordance with section 501, subsection 8.