No person shall drive or operate any bicycle; motor driven cycle or any vehicle which is not drawn by a motor vehicle upon any street established as a freeway, as defined by state law, nor shall any pedestrian walk across or along any such street so designated and described except in space set aside for the use of pedestrians; provided, official signs are in place giving notice of such restrictions. (Ord. 858 NCS §1; prior code § 15.8.8.)