RECTANGULAR RAPID FLASHING BEACON (RRFB) COUNTERMEASURE TECH SHEET

What Are Rectangular Flashing Beacons (RRFBs)?

RRFBs are pedestrian-actuated conspicuity enhancements used in combination with a pedestrian, school, or trail crossing warning sign to improve safety at uncontrolled marked crosswalks. The device includes two rectangular shaped yellow indications, each with an LED-array-based light source, that flash with high frequency when activated; it is a popular treatment option at many types of established pedestrian crossings.

June 2018, Updated | FHWA-SA-18-065