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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
    Letter
																								Date
																								TestingSort descending
																								Manufacturer
																								Hardware Type
																								Device DescriptionSS-08
																																				March 31, 1989
																																				NCHRP 350
																																				Unistrut Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				TELESPAR small sign supports  max size 2 1⁄2 x 2 1⁄2 in. x 12 ga.B-227
																																				January 6, 2012
																																				NCHRP 350
																																				Washington State DOT
																																				Longitudinal Barriers and Bridge Rails
																																				TL-3 High Tension 3 Cable Median & Roadside BarriersB-203
																																				November 18, 2010
																																				NCHRP 350
																																				GSI High Tension Cable LP
																																				Longitudinal Barriers and Bridge Rails
																																				Four Cable Transition to W-Beam GuardrailB-183
																																				November 26, 2008
																																				NCHRP 350
																																				NUCOR Steel Marion
																																				Longitudinal Barriers and Bridge Rails
																																				NU Cable -- plastic or steel socketsB-167
																																				January 24, 2008
																																				NCHRP 350
																																				Nucor Steel
																																				Longitudinal Barriers and Bridge Rails
																																				Four-cable Nucor Wire Rope Barrier System TL-4B-153A
																																				October 6, 2011
																																				NCHRP 350
																																				Atlanticum Bridge
																																				Longitudinal Barriers and Bridge Rails
																																				TL-2 NatureRail Aesthetic BarrierB-141F
																																				October 1, 2010
																																				NCHRP 350
																																				Trinity's Cable Safety System (CASS S3 4:1)
																																				Longitudinal Barriers and Bridge Rails
																																				Four cable median and roadside barrier systemB-137
																																				June 13, 2005
																																				NCHRP 350
																																				Gibraltar
																																				Longitudinal Barriers and Bridge Rails
																																				Gibraltar cable barrier @ TL-3B-127
																																				June 18, 2004
																																				NCHRP 350
																																				NYSDOT
																																				Longitudinal Barriers and Bridge Rails
																																				TL-4 box-beam transition designsB-114
																																				March 27, 2003
																																				NCHRP 350
																																				Welch Products, Inc.
																																				Longitudinal Barriers and Bridge Rails
																																				recycled rubber offset block
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