§47-11-204.

§47-11-204.
   
   (a) Whenever an illuminated red or yellow signal is used in a traffic
   sign or signal it shall require obedience by vehicular traffic as
   follows:
   
   1. Flashing red (stop signal). When a red lens is illuminated with
   rapid intermittent flashes, drivers of vehicles shall stop before
   entering the nearest crosswalk at an intersection or at a limit line
   when marked, or, if none, then before entering the intersection, and
   the right to proceed shall be subject to the rules applicable after
   making a stop at a stop sign.
   
   2. Flashing yellow (caution signal). When a yellow lens is illuminated
   with rapid intermittent flashes, drivers of vehicles may proceed
   through the intersection or past such signal only with caution.
   
   (b) This section shall not apply at railroad grade crossings. Conduct
   of drivers of vehicles approaching railroad grade crossings shall be
   governed by the rules as set forth in Section 11-701 of this act.