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FHWA issues interim approval of Rectangular Rapid-Flashing Beacons at crosswalks

The new IA-21 allows for the optional use of RRFBs as pedestrian-activated visibility enhancements for pedestrian and school crossing warning signs under limited conditions.

Josh WIlliams 0 2619 Article rating: 4.5

In a memorandum released on March 20, the Federal Highway Administration (FHWA) issued “Interim Approval (IA)-21 – Rectangular Rapid-Flashing Beacons (RRFBs) at Crosswalks.” The new IA-21 allows for the optional use of RRFBs as pedestrian-activated visibility enhancements for pedestrian and school crossing warning signs under limited conditions.

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