SEC. 28.1. RESTRICTED TRAFFIC STREETS.
It shall be unlawful for any person to operate a vehicle with gross weight in excess of 6,000 pounds upon the streets designated in Sections 28.1.1 et seq. of this Code.
The term "vehicle" as used herein means a device by which any person or property may be propelled, moved or drawn upon a street.
The Department of Parking and Traffic shall place and maintain, or cause to be placed and maintained, appropriate signs at such places on the restricted streets and on such streets leading thereto as will, in its judgment, best serve to give notice of the prohibition contained herein.
The provisions hereof shall not be applicable to:
(a) Any vehicle which is subject to the provisions of Sections 1031 to 1036, inclusive, of the Public Utilities Code of the State of California;
(b) Any commercial vehicle coming from an unrestricted street having ingress and egress by direct route to and from that portion of the restricted streets set forth below, when necessary for the purpose of making pickups of refuse, pickups or deliveries of goods, wares and merchandise from or to any building or structure located on such restricted street, or for the purpose of delivering materials or equipment to be used in the actual and bona fide repairs, alteration, remodeling or construction of such restricted street, or for any building or structure upon such restricted street for which a building permit has previously been obtained;
(c) Any vehicle owned by a public utility while in use in the construction, installation or repair of any public utility;
(d) Transit vehicles operated by the Municipal Railway along a regularly scheduled route;
(e) School buses when operated for the transportation of school pupils;
(f) Any vehicle owned by the City and County of San Francisco while being used in the course of official business. (Amended by Ord. 490-78, App. 11/9/78; Ord. 193-89, App. 6/5/89; Ord. 128-92, App. 5/18/92)
Lombard Street, between Hyde and Leavenworth Streets. (Added by Ord. 113-83, App. 3/11/83)