Allows an all-terrain vehicle or utility terrain vehicle to drive in the evening and night if they are equipped with headlights, taillights, turn signals, and brake lights, and while displaying a slow moving vehicle emblem. Allows drivers of all-terrain vehicles and utility vehicles to wear a safety helmet with a securely fastened chin strap, rather than require. Includes in the definition of "utility-terrain vehicle" a motor vehicle that accommodates one driver and one passenger sitting side-by-side, and up to six people in seat belts. Includes "all-terrain vehicle" and "utility terrain vehicle" in the definition of "motor vehicle" under the State's motor vehicle insurance law. (SD1)