305.02 POWERS OF PUBLIC SAFETY DIRECTOR.
   The Director of Public Safety is hereby authorized to place and maintain traffic control devices upon any street or highway under his jurisdiction as are necessary to effectuate the provisions of this Traffic Code, or to regulate, warn or guide traffic, and such other traffic control devices as he shall deem necessary for the proper control of traffic which are not inconsistent with the provisions of this Traffic Code.
   The Director of Public Safety is hereby empowered to:
   (a)   Designate any street as a one-way street and require that all vehicles thereon be moved in one specific direction.
   (b)   Designate and mark lanes to be used by traffic moving in a particular direction regardless of the center line of the roadway, specify hours during which such direction of traffic flow shall be in effect and erect rectangular signal units as prescribed in Section 313.04.
   (c)   Erect signs directing slow-moving traffic to use a designated lane or allocating specified lanes to traffic moving in the same direction.
   (d)   Designate those portions of any street, where overtaking and passing other traffic or driving to the left of the center or center line of the roadway would be especially hazardous, by appropriate signs or markings on the street to indicate the beginning and end of such zones. Such zones may be marked by an auxiliary yellow line placed parallel and to the right of the normal center line or offset marked lane line.
   (e)   Place traffic control signals, markers, buttons or signs within or adjacent to intersections and require that a specific course of direction be traveled by vehicles proceeding in lanes by either permitting, prohibiting or requiring turns at such intersections.
   (f)   Install traffic control devices, signals and signs at any location to regulate traffic.
   (g)   Establish safety zones, crosswalks, zones of quiet and play streets.
   (h)   Close any street or portion thereof to vehicular traffic which is in the process of construction, reconstruction or repair.
   (i)   Determine the location of any necessary bus stops and taxicab stands.
   (j)   Determine the location and limiting hours of truck loading zones.
   (k)   Erect "No U Turn" signs at any location to prohibit a vehicle from being turned so as to proceed in the opposite direction.
   (l)   Regulate or prohibit the stopping, standing and parking of vehicles on streets, alleys or public property by erecting signs plainly indicating the prohibitions, restrictions or limitations.
   (m)   Designate individual parking spaces by markings, which may either be parallel or at a prescribed angle to the curb or edge of the roadway.
   (n)   Erect signs to prohibit a right turn against a steady red signal at any intersection.