FHWA issues interim approval of Rectangular Rapid-Flashing Beacons at crosswalks 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 / Friday, June 1, 2018 0 5073 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. Read more
29Jun2022 ATSSA’s president will be interviewed Friday on Road Dog News Wednesday, June 29, 2022 Read more