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                        Hardware Eligibility Letters


            
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  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
    Letter
																								Date
																								Testing
																								ManufacturerSort descending
																								Hardware Type
																								Device DescriptionB-222
																																				January 27, 2012
																																				NCHRP 350
																																				Armorflex
																																				Longitudinal Barriers and Bridge Rails
																																				TL-4 Armorwire Cable  BarrierCC-03
																																				January 7, 1986
																																				NCHRP 350
																																				-----
																																				Barrier Terminals and Crash Cushions
																																				Eccentric Loader guardrail terminal (Experimental) (FHWA Tech. Advisory)CC-15
																																				March 27, 1991
																																				NCHRP 350
																																				---
																																				Barrier Terminals and Crash Cushions
																																				Eccentric Loader Terminal (ELT) (Operational) Modified Eccentric  Loader Terminal (MELT) (Operational)CC-36
																																				August 27, 1996
																																				NCHRP 350
																																				J. Carney
																																				Barrier Terminals and Crash Cushions
																																				Vanderbilt TMA @ TL-2B-48
																																				May 7, 1998
																																				NCHRP 350
																																				J.M.Essex, EASI
																																				Longitudinal Barriers and Bridge Rails
																																				TRITON water-filled temporary barrierB-01
																																				May 31, 1985
																																				NCHRP 350
																																				(Memo to Regions)
																																				Longitudinal Barriers and Bridge Rails
																																				Modified Thrie Beam Guardrail (Operational)B-17
																																				February 11, 1992
																																				NCHRP 350
																																				(Minute Memo to Regions)
																																				Longitudinal Barriers and Bridge Rails
																																				Constant Slope Concrete Median Barrier.CC-37B
																																				February 19, 1997
																																				NCHRP 350
																																				(Pfeifer)
																																				Barrier Terminals and Crash Cushions
																																				Design modificationCC-37A
																																				February 19, 1997
																																				NCHRP 350
																																				(Sicking)
																																				Barrier Terminals and Crash Cushions
																																				Design modificationB-21A
																																				September 27, 1994
																																				NCHRP 350
																																				(supplement to B-21)
																																				Longitudinal Barriers and Bridge Rails
																																				Additional information on application of Triton
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