Have You Submitted a Request for RRFB Use Under IA-21?

Have You Submitted a Request for RRFB Use Under IA-21?

What the Federal Highway Administration wants you to know Interim Approval 21, or IA-21, is the memo within the Manual on Uniform Traffic Control Devices (MUTCD) regarding the use of rectangular rapid flashing beacons (RRFBs). All state and local agencies wishing to...
RRFB IA 21

RRFB IA 21

Learn What’s New in IA-21 vs. IA-11 On March 20, 2018, the Federal Highway Administration issued Interim Approval 21 – Rectangular Rapid-Flashing Beacons at Crosswalks in the Manual on Uniform Traffic Control Devices (MUTCD). The Basics IA-11 is no longer valid:...
FHWA terminates interim approval of RRFBs in the United States

FHWA terminates interim approval of RRFBs in the United States

UPDATE: March 22, 2018 Carmanah has purchased and disclaimed all patents on the RRFB, allowing the FHWA to reinstate it as an interim-approved product; the RRFB may be installed by following Interim Approval 21. See our press release for details. LEARN YOUR NEXT STEPS...
FHWA Returns RRFBs to Approved Product List

FHWA Returns RRFBs to Approved Product List

CARMANAH PURCHASES AND DISCLAIMS RRFB PATENTS, ENSURING ANYONE CAN PRODUCE THEM VICTORIA, BC, CANADA, March 20, 2018 – Carmanah Technologies Corporation (“the Company” or “Carmanah”) today announced that it has purchased and disclaimed all patents restricting...