Rectangular Rapid Flashing Beacons (RRFB's)

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The Federal Highway Administration has issued interim approval for the use of a supplemental warning device called the Rectangular Rapid Flashing Beacon (RRFB), which is designed to increase driver awareness of potential pedestrian conflicts at mid-block pedestrian crossings and un-signalized intersections.

The RRFB is a rectangular shaped light bar installed below the pedestrian crosswalk signs located on each side of the road near the crosswalk. The RRFB has two high-intensity yellow LED light heads that flash in a wig-wag flickering pattern. The flashing lights are activated when a pedestrian pushes the crosswalk button. The lights flash for a specified period of time while the pedestrian crosses the street.

A Florida study of RRFBs found that 80% or more of drivers yielded to pedestrians at crossings equipped with RRFBs. The RRFB is one more tool in our toolbox to help ensure pedestrian safety at major pedestrian roadway crossings.
MidBlock RRFB Crosswalk

Additional helpful links
What you need to know about Oregon crosswalk laws
Mid-block crossing information
ORS 811 – Rules of the Road
Pedestrian Safety Topics