Vehicle Code section 21355
(a)
Stop signs erected under Section 21350, 21351, 21352, or 21354 may be erected either at or near the entrance to an intersection.(b)
Notwithstanding subdivision (a), local authorities, with respect to streets under their jurisdiction, are not required to conform lawfully established intersection configurations existing on January 1, 1985, to meet the requirements of subdivision (a) until January 1, 1990.
Source:
Section 21355, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=VEH§ionNum=21355.
(accessed Apr. 24, 2025).