The Chief of Police is hereby authorized, subject to the approval of the Mayor:
(a) To make and enforce regulations necessary to make effective the provisions of this Traffic Code, and to make and enforce temporary regulations to cover emergencies or special conditions, which temporary regulations shall not extend longer than the following Council meeting, when the same shall be referred to Council for its action;
(b) To designate and maintain by appropriate devices, marks or lines upon the surface of the roadway, crosswalks at intersections where in his or her opinion there is particular danger to pedestrians crossing the roadway, and at such other places as he or she may deem necessary;
(c) To establish safety zones and safety islands of such kind and character and at such places as he or she may deemed necessary for the protection of pedestrians;
(d) To mark lanes for traffic on street pavements at such places as he or she may deem advisable, consistent with the provisions of this Traffic Code;
(e) To determine the right and left side of laned streets by fixing and marking or designating the centerline of such streets;
(f) To establish temporarily a zone of quiet upon any street where a person is seriously ill if requested to do so by the written statement of at least one registered physician certifying to its necessity; such temporary zone of quiet shall embrace all territory within a radius of 200 feet of the building occupied by the person named in the request of the physician; the temporary zone of quiet and any other zone of quiet shall be designated by placing at a conspicuous place in the street a sign or marking bearing the words "Quiet Zone";
(g) To declare any street or part thereof a play street and to place appropriate signs or devices in the roadway indicating and helping to protect the same; and
(h) To determine the location of bus, taxicab and truck zones and to place and maintain appropriate signs indicating the area and setting the hours during which the provisions regarding bus, taxicab and truck zones are applicable. (Ord. 1950-16. Passed 3-27-50.)