Vehicle Code section 2814.2
(a)
A driver of a motor vehicle shall stop and submit to a sobriety checkpoint inspection conducted by a law enforcement agency when signs and displays are posted requiring that stop.(b)
Notwithstanding Section 14602.6 or 14607.6, a peace officer or any other authorized person shall not cause the impoundment of a vehicle at a sobriety checkpoint if the driver’s only offense is a violation of Section 12500.
Source:
Section 2814.2, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=VEH§ionNum=2814.2.
(accessed Apr. 24, 2025).