This chapter applies to any motorized vehicle that falls within the definition of off-road vehicle in Regulation .02B(8) of this chapter. Except as provided in this chapter, an off-road vehicle may not be operated on a forest or park trail designated in Regulation .11 of this chapter. Emergency and Departmental vehicles are exempted from this chapter. The following are exempted from provisions of this chapter if the vehicle use is an approved Departmental activity that includes: Earth-moving, construction, or logging equipment; Vehicles used for the development, maintenance, management, or protection of Department lands; and Vehicles used by individuals holding easements for rights-of-way through public land, and their guests, in order to access private properties.