Cal. VEH § 28100
This is the official text of Cal. VEH § 28100, part of California’s Vehicle Code — governs traffic laws, driver's licenses, and vehicle registration.
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Official statutory text
A pilot car shall display at least one red warning flag on each side of the vehicle. The flags shall be a minimum of 16 inches square, and shall be mounted so as to be visible from both the front and rear of the vehicle. The flags shall be removed or covered when the vehicle is not operating as a pilot car.
Status: in_force · Read it on the official government site
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