A person may not operate or possess a vehicle on Service controlled lands and waters without a use permit from the Service except: Licensed automobiles, boats, motorcycles, and trucks that operate on those roads, trails, or waterways: Open to automobiles or general boat traffic; or As specifically posted by the Service; or On certain mobility impaired hunting areas while in possession of a Universal Disability Pass in accordance with COMAR 08.03.10.09 and as posted open for use. Violation of any provision of the permit constitutes a violation of this regulation and may result in revocation or suspension of the permit. A person shall operate a vehicle on Service controlled lands and waters in a safe manner and not cause unnecessary damage to roads, trails, or other areas. A person may not operate any vehicle on any Service controlled lands or waters while under the influence of any intoxicants. Parking. A person may park or leave a vehicle unattended in designated parking areas on Service controlled lands and waters when engaged in a legitimate recreational activity allowed on those lands and waters: Parking area rules, if applicable, shall be posted and may include: Vehicle quotas; Hours of operation; and Other WMA specific policies.