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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-12
																																				August 3, 1989
																																				NCHRP 350
																																				HwyCom Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Dual post installations of 3-inch FRP.xx02
																																				October 17, 1996
																																				NCHRP 350
																																				Franklin Industries
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Dual EZE-Erect in Strong SoilB-209
																																				November 10, 2010
																																				NCHRP 350
																																				Louisiana Department of Transportation and Development
																																				Longitudinal Barriers and Bridge Rails
																																				Test Level 2 (TL-2) T-Intersection (Short Radius) Guardrail SystemB-191
																																				March 18, 2010
																																				NCHRP 350
																																				MWRSF
																																				Longitudinal Barriers and Bridge Rails
																																				Modified 3 cable adjacent to steep slopeB-171
																																				April 16, 2008
																																				NCHRP 350
																																				Colorado DOT
																																				Longitudinal Barriers and Bridge Rails
																																				F-Shaped CMBB-158
																																				May 8, 2007
																																				NCHRP 350
																																				Barrier Systems
																																				Longitudinal Barriers and Bridge Rails
																																				BarrierGuard 800 (minimum deflection system)B-147
																																				May 8, 2006
																																				NCHRP 350
																																				Various
																																				Longitudinal Barriers and Bridge Rails
																																				Cable to Metal-beam guardrail transitionsB-137D
																																				February 8, 2008
																																				NCHRP 350
																																				Gibraltar
																																				Longitudinal Barriers and Bridge Rails
																																				Four point anchorage to 4 cable barrierB-132
																																				December 28, 2004
																																				NCHRP 350
																																				Valentine & Company
																																				Longitudinal Barriers and Bridge Rails
																																				Aluminum truss-core F-shape Bridge RailB-119
																																				May 13, 2003
																																				NCHRP 350
																																				Trinity Industries
																																				Longitudinal Barriers and Bridge Rails
																																				3-cable rail (posts on 3-m centers) @ TL-3
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