Interim Approval for the Optional Use of Pedestrian-Actuated Rectangular Rapid-Flashing Beacons at Uncontrolled Marked Crosswalks (IA-21)
On March 20, 2018, the Federal Highway Administration (FHWA) issued Interim Approval (IA-21) for the optional use of Rectangular Rapid-Flashing Beacons (RRFB). Since IA-21 is regarding the use of an effective pedestrian safety countermeasure and is very similar to the recently terminated IA-11, Caltrans has expedited the process of requesting approval of IA-21 and has requested … Read more Interim Approval for the Optional Use of Pedestrian-Actuated Rectangular Rapid-Flashing Beacons at Uncontrolled Marked Crosswalks (IA-21)