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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
																								TestingSort ascending
																								Manufacturer
																								Hardware Type
																								Device DescriptionCC-51
																																				June 18, 1998
																																				NCHRP 350
																																				King Mak, TTI
																																				Barrier Terminals and Crash Cushions
																																				Improved Slotted Rail Terminal (ISRT-3) @ TL-3CC-45
																																				March 19, 1998
																																				NCHRP 350
																																				Energy Absorption
																																				Barrier Terminals and Crash Cushions
																																				QuadGuard 69/90-LMC @ TL-3CC-36D
																																				June 27, 2006
																																				NCHRP 350
																																				Impact Absorption, Inc.
																																				Barrier Terminals and Crash Cushions
																																				Trailer VTMA @ TL-3CC-35A
																																				October 30, 1996
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				QUARDGUARD CZ @ TL-3CC-26K
																																				September 14, 2016
																																				NCHRP 350
																																				Trinity Highway
																																				Barrier Terminals and Crash Cushions
																																				Optimized 9-Cylinder REACT 350 Impact AttenuatorCC-22
																																				June 24, 1994
																																				NCHRP 350
																																				Texas Transportation Institute
																																				Barrier Terminals and Crash Cushions
																																				Two Slotted Rail TerminalsCC-12Q
																																				March 15, 2010
																																				NCHRP 350
																																				Trinity Hwy Prod
																																				Barrier Terminals and Crash Cushions
																																				ET-Plus and ET-Plus 31 with 2 Breakaway PostsCC-10
																																				April 7, 1989
																																				NCHRP 350
																																				Energy Absorption Systems, Inc
																																				Barrier Terminals and Crash Cushions
																																				SENTRE guardrail terminal (Operational)WZ-324
																																				December 18, 2013
																																				NCHRP 350
																																				Bone Signs
																																				Work Zone Devices
																																				SZ-412 X-Footprint  Sign Stand with Modified MastWZ-305
																																				October 21, 2011
																																				NCHRP 350
																																				Plasticade Products
																																				Work Zone Devices
																																				Econocade Type I & II Barricade
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