(A)   It shall be unlawful to operate any vehicle on any street or alley designated in the manner provided herein as a one-way street or alley in any direction other than that so designated and so marked with signs.
   (B)   Whenever any resolution of this city designates any one-way street or alley, the Director of Public Works shall place and maintain signs giving notice thereof, and no such regulations shall be effective unless such signs are in place. Signs indicating the direction of lawful traffic movement shall be placed at every intersection where movement of traffic in the opposite direction is prohibited.
('86 Code, § 11.12.010) (Ord. 3159, passed  - - ; Am. Ord. 3280, passed  - - ; Am. Ord. 3519, passed  - - )  Penalty, see § 11.12.020