Except as provided in Section 18930, the department shall adopt regulations to govern lot access and driveways within parks. The regulations adopted by the department shall establish standards or requirements which protect the health, safety, and general welfare of the residents of parks and shall require proper maintenance of lot access and driveways. The regulations adopted by the department shall provide equivalent or greater protection to the residents of parks than the statutes and regulations in effect on December 31, 1977.