California Vehicle Code
Sec. § 210


An “automated enforcement system” is any system operated by a governmental agency, in cooperation with a law enforcement agency, that photographically records a driver’s responses to a rail or rail transit signal or crossing gate, or both, or to an official traffic control signal described in Section 21450, and is designed to obtain a clear photograph of a vehicle’s license plate and the driver of the vehicle.
Source
Last accessed
Jun. 6, 2016