2010 Pennsylvania Code
Title 75 - VEHICLES
Chapter 31 - General Provisions
3114 - Flashing signals.

     § 3114.  Flashing signals.
        (a)  General rule.--Whenever a flashing red or yellow signal
     is used in a traffic signal or with a traffic sign it shall
     require obedience by vehicular traffic as follows:
            (1)  Flashing red.--When a red lens is illuminated with
        rapid intermittent flashes, drivers of vehicles shall stop in
        the same manner as at a stop sign, and the right to proceed
        shall be subject to the rules applicable after making a stop
        at a stop sign as provided in section 3323 (relating to stop
        signs and yield signs).
            (2)  Flashing yellow.--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)  Railroad grade crossings.--This section does 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 3341 (relating to obedience to
     signal indicating approach of train).

        Cross References.  Section 3114 is referred to in sections
     1535, 3116, 3326, 3327 of this title.