(A) Whenever any ordinance of this city designates and describes any street or portion thereof as a street the use of which is prohibited by any commercial vehicle, the City Engineer shall erect and maintain appropriate signs on those streets affected by such ordinance.
(B) Those streets and parts of streets established by ordinance of the Council are declared to be streets, the use of which by any commercial vehicle is prohibited. The provisions of this section shall not apply to passenger buses under the jurisdiction of the Public Utilities Commission under Cal. Pub. Util. Code §§ 1031 through 1036.
('81 Code, § 10.32.050) Penalty, see § 70.99