10.28.040 Turning Movements.
   A.   Restricted Turn Signals.
      1.   Pursuant to the Vehicle Code, whenever the City Council determines, upon the basis of a traffic engineering investigation, that the prohibition of the making of any turning movement by any vehicle at any intersection or between any designated intersections is necessary, the City Council shall by resolution direct the City Engineer to erect any appropriate sign or signs stating the prohibition of such turning movements. The sign or signs may be supplemented by appropriate pavement markings.
      2.   Whenever the City Council finds, upon the basis of a traffic engineering investigation, that the conditions for which such turning movements at such intersections or between such intersections has been prohibited as provided in Subsection A.1. of this Section no longer exist, the City Council shall by resolution direct the City Engineer to remove such sign or signs and pavement markings.
   B.   Turn Markers and Multiple Lanes.
      1.   Pursuant to the Vehicle Code, the City Council authorizes the City Engineer, upon the basis of a traffic engineering investigation, to place markers, buttons or signs within or adjacent to intersections and thereby require and direct that a different course from that specified in the Vehicle Code be traveled by vehicles turning at an intersection or may allocate and indicate more than one (1) lane of traffic from which drivers of vehicles may make right- or left-hand turns.
      2.   Whenever the City Engineer finds, upon the basis of a traffic engineering investigation, that any turning movement within or adjacent to any intersection which has been required by the placing of markers, buttons or signs as provided in Subsection B.1. of this Section is no longer necessary, the City Engineer shall remove such markers, buttons or signs.