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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-15
																																				December 6, 1990
																																				NCHRP 350
																																				Roadway Safety Services
																																				Longitudinal Barriers and Bridge Rails
																																				Dragnet Vehicle Arresting SystemB-150
																																				October 27, 2006
																																				NCHRP 350
																																				Gregory Highway Products
																																				Longitudinal Barriers and Bridge Rails
																																				Gregory Mini-Spacer (GMS) W-beam GuardrailB-150B
																																				July 16, 2008
																																				NCHRP 350
																																				Gregory Highway Products
																																				Longitudinal Barriers and Bridge Rails
																																				GMS Barrier with 12 ft 6 inch post spacingB-150C
																																				November 19, 2010
																																				NCHRP 350
																																				Gregory Highway Products
																																				Longitudinal Barriers and Bridge Rails
																																				Gregory Mini Spacer (GMS) W-Beam GuardrailB-151
																																				November 21, 2006
																																				NCHRP 350
																																				Wyoming DOT
																																				Longitudinal Barriers and Bridge Rails
																																				W-beam to thrie beam transitions
to thrie beam transitionsB-152
																																				March 27, 2008
																																				NCHRP 350
																																				Permatile Concrete Prod [Mis labeled as B-151]
																																				Longitudinal Barriers and Bridge Rails
																																				Revision of FHWA acceptance to Include shorter segments of TCBB-153
																																				January 17, 2007
																																				NCHRP 350
																																				David Hubbell
																																				Longitudinal Barriers and Bridge Rails
																																				Aesthetic weak-post timber railB-153A
																																				October 6, 2011
																																				NCHRP 350
																																				Atlanticum Bridge
																																				Longitudinal Barriers and Bridge Rails
																																				TL-2 NatureRail Aesthetic BarrierB-153B
																																				February 6, 2013
																																				NCHRP 350
																																				Atlanticum Bridge Corp.
																																				Longitudinal Barriers and Bridge Rails
																																				NatureRail Aesthetic Barrier with various wood speciesB-154
																																				January 23, 2007
																																				NCHRP 350
																																				Perini Corporation
																																				Longitudinal Barriers and Bridge Rails
																																				ESB Safety-shape Steel Bridge Rail
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