Section 9.40.020 Specific powers and duties.

    A.    1.  The Chief of Police by and with the approval of the City Traffic Board is empowered to make regulations necessary to make effective the provisions of the traffic ordinances of this City and to make and enforce temporary or experimental regulations to cover emergencies or special conditions. No such temporary or experimental regulations shall remain in effect for more than ninety (90) days.
        2.    The Chief of Police may authorize the temporary placing of an official traffic control device when required by emergency. The Chief of Police shall notify the City Traffic Board of this action as soon thereafter as practical.
    B.    The City Traffic Board may test traffic control devices under actual conditions of traffic.
    C.    It shall be the duty of the Traffic Board, and to this end it shall have the authority within the limits of the funds at its disposal, to coordinate traffic activities, to carry on educational activities in traffic matters, to supervise the preparation and publication of traffic reports, to receive complaints having to do with traffic matters and to recommend to the legislative body of this City and the City Manager and other City officials, ways and means for improving traffic conditions and the administration and enforcement of traffic regulations.
    D.    1.  The City Traffic Board shall place and maintain official traffic control devices when and as required under the traffic ordinances of this City to make effective the provisions of the ordinances, and may place and maintain such additional traffic control devices as they may deem necessary to regulate, warn or guide traffic under the traffic ordinances of this City or state vehicle code.
        2.    All traffic control signs, signals and devices shall conform to the manual and specifications approved by the State Highway Commission. All signs and signals required hereunder for a particular purpose shall conform to the specifications contained in the state manual as adopted by the State Road Commission. All traffic control devices so erected and not inconsistent with the provisions of state law or the ordinance codified herein shall be official traffic control devices.
    E.    The City Traffic Board shall have authority 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.
    F.    The City Traffic Board is authorized:
        1.    To designate and maintain by appropriate devices, marks or lines upon the surface of the roadway, crosswalks at intersections where, in their opinion, there is necessity to channelize pedestrians, and at such other places as they deem necessary;
        2.    To establish safety zones of such kind and character and at such places as they deem necessary for the protection of pedestrians.
    G.    The City Traffic Board is authorized to make traffic lanes upon the roadway of any street or highway where a regular alignment of traffic is necessary.
    H.    The City Traffic Board may:
        1.    Upon the basis of an engineering and traffic investigation change the speed limits on City streets;
        2.    Upon the basis of an engineering and traffic investigation determine the maximum speed limits on arterial streets;
        3.    Speed limits established pursuant to this section shall be applicable at all or such times as shall be indicated on official traffic control devices.
    I.    The City Traffic Board is authorized to place official traffic control devices within or adjacent to intersections, indicating the course to be traveled by vehicles turning at intersections, and such course to be traveled as so indicated may conform to or be other than as prescribed by law.
    J.    The City Traffic Board is authorized to regulate the timing of traffic signals on City streets so as to permit the movement of traffic in an orderly and safe manner.
    K.    The City Traffic Board is authorized to determine those intersections at which drivers of vehicles shall not make a right, left or U-turn, and shall place proper signs at such intersections. The making of such turns may be prohibited between certain hours of any day and be permitted at other hours, in which event the same shall be plainly indicated on the signs or they may be removed when such turns are permitted.
    L.    The City Traffic Board is authorized to determine and designate one-way streets or alleys and shall place and maintain official traffic control devices giving notice thereof. No such designations shall be effective unless such devices are in place.
    M.    The City Traffic Board is authorized to erect and maintain stop signs, yield signs or other official traffic control devices to designate through streets or to designate intersections or other roadway junctions at which vehicular traffic on one (1) or more of the roadways should yield or stop and yield before entering the intersection or junction. Whenever any ordinance of this City designates and describes a through street, it shall be the duty of the Traffic Board to place and maintain a stop sign, or on the basis of an engineering and traffic investigation, at any intersection a yield sign on each and every street intersecting  such through street unless traffic at any such intersection is controlled at all times by traffic control signals; provided, however, that at the intersection of a through and a heavy traffic street not so designated, stop signs shall be erected at the approaches of either of the streets as may be determined by the Traffic Board upon the basis of an engineering and traffic study. The City Traffic Board is authorized to determine and designate intersections where particular hazards exist upon other than through streets and to determine:
        1.    Whether vehicles shall stop at one (1) or more entrances to any such intersection, in which event they shall cause to be erected a stop sign at every such place where a stop sign is required; or
        2.    Whether vehicles shall yield the right-of-way to vehicles on a different street at such intersection, in which event they shall cause to be erected a yield sign at every place where obedience thereto is required.
    N.    1.  The Traffic Board shall determine upon what streets angle parking shall be permitted and shall mark or sign such streets, but such angle parking shall not be indicated upon any federal-aid or state highway within the City unless the State Highway Commission has determined that the roadway is of sufficient width to permit angle parking without interfering with the free movement of traffic.
        2.    Angle parking shall not be indicated or permitted at any place where passing traffic would thereby be caused or required to drive upon the left side of the street.
    O.    1.  The City Finance Director, with the advice of The City Board, is authorized to issue special permits to authorize the backing of a vehicle to the curb for the purpose of loading or unloading property, subject to the terms and conditions of such permit. Such permits may be issued either to the owner or lessee of real property alongside of the curb or to the owner of the vehicle and shall grant to such person the privileges as therein stated and herein authorized.
        2.    It is unlawful for any permittee or other person licensed under the provisions of UCA 07-05-002 to violate any of the special terms or conditions of any such permit.
    P.    The City Traffic Board is authorized to determine and designate by proper signs, places where parking, stopping or standing of vehicles is prohibited upon:
        1.    Either or both sides of any street adjacent to any school property when such parking would interfere with traffic or create a hazardous situation;
        2.    Any street when the width of the roadway does not exceed twenty (20) feet or upon one (1) side of a street as indicated by such signs when the width of the roadway does not exceed thirty (30) feet;
        3.    Any side of a one-way street;
        4.    Any other place when the stopping, standing or parking of vehicles would create an especially hazardous or congested condition and would cause unusual delay in traffic.
    Q.    The City Traffic Board is authorized to determine when standing or parking may be permitted upon the left-hand side of any one-way roadway and to erect signs giving notice thereof.
    R.    The City Traffic Board is authorized to determine and designate by proper signs, places in which the stopping, standing or parking of vehicles would create an especially hazardous condition and would cause unusual delay of traffic.
    S.    The City Traffic Board is authorized to determine the location of loading zones and passenger zones, and shall place and maintain appropriate signs and markings indicating the same and stating the hours during which the provisions hereof are applicable.
    T.    The Traffic Board is authorized, sub-ject to provisions and limitations of this chapter and after a comprehensive study, to place and when required herein, shall place and maintain appropriate signs or traffic markings to indicate standing or parking regulations. The traffic markings shall designate the zones and shall have the meanings as herein set forth:
        1.    Red: no stopping, standing or parking at any time;
        2.    Yellow, with the words "restricted zone": standing or parking except as stated on the signs or markings giving notice thereof, except that this provision shall not apply on Sundays and legal holidays.
    U.    The City Traffic Board is authorized and required to establish bus stops, bus stands, taxicab stands and stands for the other passenger common-carrier motor vehicles on such public streets in such places and in such manner as they shall determine to be of the greatest benefit and convenience to the public, and every such bus stop, bus stand, taxicab stand or other stand shall be designated by appropriate signs.
    V.    The City Traffic Board is authorized on the basis of and results of an engineering and traffic investigation, to erect and maintain official traffic control devices on any streets or parts of streets to impose gross weight limits.
    W.    The City Traffic Board is authorized on the basis of an engineering and traffic investigation, to erect and maintain official traffic control devices on any streets to prohibit the operation of trucks exceeding ten thousand (10,000) pounds of gross weight; provided, that such devices shall not prohibit necessary local operation on such streets for the purpose of making a pickup or delivery.
    X.    The City Traffic Board is authorized, on the basis of an engineering and traffic investigation, to erect and maintain official traffic control devices on any streets or parts of streets to impose vehicle size restrictions.
    Y.    The Traffic Control Board is authorized, on the basis of an engineering and traffic investigation, to determine and designate those heavily traveled streets upon which shall be prohibited any class or kind of traffic which is found to be incompatible with the normal and safe movement of traffic and shall erect appropriate official traffic control devices giving notice thereof. (TC § 07-05-002)