Section 46.63.230 - Automated traffic safety cameras-Stoplight violations(1) Automated traffic safety cameras may be used to detect stoplight violations, subject to RCW 46.63.220.(2) Automated traffic safety cameras used to detect stoplight violations are restricted to intersections of two or more arterials with traffic control signals that have yellow change interval durations in accordance with RCW 47.36.022, which interval durations may not be reduced after placement of the camera.