Vehicle Code section 25261

Vehicles used by a county or county department of agriculture and vehicles of duly authorized representatives thereof, actually engaged in weed control or pest detection, may display flashing amber warning lights to the front, sides, or rear when necessarily parked on a highway or when moving at a speed slower than the normal flow of traffic.

Source: Section 25261, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=VEH§ionNum=25261.­ (updated Jan. 1, 1969; accessed Jun. 25, 2025).

Green check means up to date. Up to date

Verified:
Jun. 25, 2025

§ 25261's source at ca​.gov