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                        Roadway Departure Safety
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                        Hardware Eligibility Letters


            
            In This Section
  

  Roadway Departure Safety
                Strategic Approach
                Keep Vehicles on the Road
                Provide for a Safe Recovery
                Reduce Crash Severity
                Focus on Reducing Rural Roadway Departures (FoRRRwD)
                
                Archived Hardware Eligibility Letters – NCHRP 350
These letters are archived and are posted for "historical and research purposes only" per the sunset dates in the AASHTO/FHWA Joint Implementation Agreement and exceptions to these dates as posted on the AASHTO Committee on Design website.SearchHardware Type
                    
- Any -Barrier Terminals and Crash CushionsLongitudinal Barriers and Bridge RailsLuminaire SupportsSign Supports, Mailboxes, and Delineator PostsWork Zone DevicesStart DateEnd Date
    LetterSort descending
																								Date
																								Testing
																								Manufacturer
																								Hardware Type
																								Device DescriptionB-135
																																				May 26, 2005
																																				NCHRP 350
																																				Midwest Roadside Safety Facility
																																				Longitudinal Barriers and Bridge Rails
																																				TL-3 timber rubrail for MnDOT noise wallB-136
																																				May 18, 2005
																																				NCHRP 350
																																				CYRO Industries, Inc.
																																				Longitudinal Barriers and Bridge Rails
																																				PARAGLAS noisewall on TL-4 concrete barrierB-136A
																																				February 2, 2017
																																				NCHRP 350
																																				Evonik Cyro LLC
																																				Longitudinal Barriers and Bridge Rails
																																				Noise Wall atop concrete barrierB-137
																																				June 13, 2005
																																				NCHRP 350
																																				Gibraltar
																																				Longitudinal Barriers and Bridge Rails
																																				Gibraltar cable barrier @ TL-3B-137A
																																				July 13, 2005
																																				NCHRP 350
																																				Gibraltar
																																				Longitudinal Barriers and Bridge Rails
																																				Gibraltar cable barrier @ TL-4B-137A1
																																				October 27, 2006
																																				NCHRP 350
																																				Gibraltar
																																				Longitudinal Barriers and Bridge Rails
																																				4-cable barrier @ TL-4B-137B
																																				April 3, 2006
																																				NCHRP 350
																																				Gibraltar
																																				Longitudinal Barriers and Bridge Rails
																																				Alternative Post SpacingsB-137C (HSA)
																																				July 12, 2006
																																				NCHRP 350
																																				Gibraltar
																																				Longitudinal Barriers and Bridge Rails
																																				4:1 SlopeB-137C (HSSD)
																																				January 8, 2008
																																				NCHRP 350
																																				Gibraltar
																																				Longitudinal Barriers and Bridge Rails
																																				Revised anchor design (4 archors)B-137D
																																				February 8, 2008
																																				NCHRP 350
																																				Gibraltar
																																				Longitudinal Barriers and Bridge Rails
																																				Four point anchorage to 4 cable barrier
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