FHWA issues interim approval of Rectangular Rapid-Flashing Beacons at crosswalks FHWA issues interim approval of Rectangular Rapid-Flashing Beacons at crosswalks SuperUser Account / Thursday, March 22, 2018 0 1705 Article rating: No rating In a memorandum released on March 20, the Federal Highway Administration (FHWA) issued “Interim Approval (IA)-21 – Rectangular Rapid-Flashing Beacons (RRFBs) at Crosswalks.” Read more
21Oct2020 FHWA issues updated information on devices at mid-block pedestrian crossings Wednesday, October 21, 2020 Read more