Whenever flashing red or yellow signals are used, they shall require obedience by vehicular traffic as follows.
(A) Flashing red (stop signal). When a red lens is illuminated by rapid intermittent flashes, drivers of vehicles shall stop before entering the nearest crosswalk at any intersection or at a limit line when marked, and the right to proceed shall be subject to the rules of safety and noninterference with other traffic.
(B) Flashing yellow (caution signal). When a yellow lens is illuminated by rapid intermit tent flashes, drivers of vehicles may proceed through the intersections or pass such signal only with caution.
(Prior Code, § 70.27) Penalty, see § 70.99