Interim Approval (IA) 21– Rectangular Rapid-Flashing Beacons at Crosswalks
The Federal Highway Administration (FHWA) has approved a statewide blanket approval request by Caltrans regarding the use of Interim Approval (IA) 21– Rectangular Rapid-Flashing Beacons at Crosswalks. Caltrans and local agencies … Read more Interim Approval (IA) 21– Rectangular Rapid-Flashing Beacons at Crosswalks