N.J. Stat. § 39:3C-32
As used in sections 33 and 34 of P.L. 2009, c. 275(C.39:3C-33 and C.39:3C-34):
"Off-road vehicle" means any motorized vehicle with two or more wheels or tracks that is capable of being operated off of regularly improved and maintained roads including, but not limited to, motorcycles as defined in R.S. 39:1-1, snowmobiles and all-terrain vehicles, and dirt bikes as defined in section 5 of P.L. 1991, c.496 (C.2A:42A-6.1).
"Public land" means all land owned, operated, managed, or maintained, or under the jurisdiction of the Department of Environmental Protection, including any and all land owned, operated, managed, maintained, or purchased jointly by the Department of Environmental Protection with any other party and any land so designated by municipal or county ordinance. Public land shall also mean any land used for conservation purposes, including, but not limited to, beaches, forests, greenways, natural areas, water resources, wildlife preserves, land used for watershed protection, or biological or ecological studies, and land exempted from taxation pursuant to section 2 of P.L. 1974, c.167 (C.54:4-3.64).
"Vehicle" means every device in, upon or by which a person or property is or may be transported upon a highway, excepting devices moved by human power or used exclusively upon stationary rails or tracks or motorized bicycles.
N.J.S. § 39:3C-32