Section 110 Of Division 1. Words And Phrases Defined From California Vehicle Code >> Division 1.

. "Alley" is any highway having a roadway not exceeding 25 feet in width which is primarily used for access to the rear or side entrances of abutting property; provided, that the City and County of San Francisco may designate by ordinance or resolution as an "alley" any highway having a roadway not exceeding 25 feet in width.