(1) All two-wheeled vehicles powered by an engine shall park in areas designated for motorcycles only and will not use spaces assigned to automobiles or bicycles.

(2) Bicycles and other nonengine powered cycles must be parked in bicycle racks where provided. No person may park a bicycle inside a building, by a doorway, on a path, sidewalk, or walkway, or in such a manner as to block or obstruct the normal flow of pedestrian traffic. Bicycles and other nonengine powered cycles parked in violation of this section may be impounded at the owner's risk and expense.