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Whenever illuminated flashing red or yellow lights are used in a traffic signal or with a traffic sign, they shall require obedience by vehicular traffic as follows.
(A) Flashing red (stop signal). When a red lens is illuminated with rapid intermittent flashes, operators of vehicles shall stop at a clearly marked stop line, but if none, before entering the crosswalk on the near side of the intersection, or if none, then at the point nearest the intersecting roadway where the operator has a view of approaching traffic on the intersecting roadway before entering it, and the right to proceed shall be subject to the rules applicable after making a stop at a stop sign; and
(B) Flashing yellow (caution signal). When a yellow lens is illuminated with rapid intermittent flashes, operators of vehicles may proceed through the intersection or past the signal only with caution.
(KRS 189.338) Penalty, see § 40.999