(A)   The City Council may designate any street or part of a street a through street.
   (B)   Whenever the City Council designates and describes a through street, a stop sign, or yield sign if deemed more appropriate, shall be placed and maintained on every street intersecting a through street, or intersecting that portion thereof, unless traffic at such intersection is controlled at all times by traffic-control signals.
   (C)   At the intersection of two such through streets or at the intersection of a through street 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 City Clerk if deemed desirable.
(`83 Code, § 15-550)  Penalty, see § 71.999