No person shall operate any motor vehicle on a trail in any Bothell park unless such trail has been specifically designated and posted for such use. Emergency vehicles and public service vehicles are exempt. (Ord. 2174 § 1, 2015; Ord. 2094 § 1 (Exh. A), 2012; Ord. 1835 § 1, 2000; Ord. 1277 § 1, 1987).