What is a Rectangular Rapid Flashing Beacon and what does it mean?

Rectangular Rapid-Flashing Beacons (RRFB)

RRFB Pedestrian Crosswalk System - Pedestrian Safety

TS60-RRFB LED Rectangular Rapid Flashing Beacons - Traffic Safety Corp.

Solar-Powered RRFB Side-of-Pole - Traffic Safety Supply Company

Rectangular Rapid Flashing Beacons (RRFBs) – Official Website of Arlington County Virginia Government

RRFB Push-Button Activated Crosswalk Packages

04616 ITS Contract Items

Rectangular Rapid Flashing Beacon

New and Improved Pedestrian Crosswalks Ready for Use in Goleta

Rapid flashing lights make pedestrian crossings safer

These RRFB Crosswalk Packages contain everything you need, except for the signs and poles, to install a RRFB (Rectangular Rapid Flashing Beacon)

RRFB Push-Button Activated Crosswalk Packages

Nighttime effectiveness of the pedestrian hybrid beacon, rectangular rapid flashing beacon, and LED-embedded crossing sign - ScienceDirect

Rectangular Rapid Flashing Beacons (RRFBs)

Rectangular Rapid Flashing Beacon - Traffic Safety Supply Company