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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-84
																																				July 26, 1999
																																				NCHRP 350
																																				Los Angeles County SAFE
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Comarco Wireless Technologies TTY Call Box SupportSS-70
																																				September 25, 1996
																																				NCHRP 350
																																				Richard Buhler
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Sleeve it N Go for 4x4 wood postsSS-65A
																																				June 20, 1997
																																				NCHRP 350
																																				Southwestern Pipe
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Poz-Loc slip base and Yielding Anchor System in weak soilSS-44
																																				March 30, 1994
																																				NCHRP 350
																																				Unistrut Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				14-gage A715 Gr 60 Perf. Square Steel posts *SS-32
																																				October 28, 1992
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Western Red Cedar for Breakaway Wood SupportsSS-19
																																				July 31, 1990
																																				NCHRP 350
																																				Allied Tube and Conduit
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Square-Fit signpost systems.SS-11
																																				May 18, 1989
																																				NCHRP 350
																																				Allied Tube & Conduit
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Quick-Punch post -  Max size 2.25 x 2.25" x 14 ga. in unreinforced 12 ga. sleeve base.B-266
																																				September 29, 2016
																																				NCHRP 350
																																				Midwest Roadside Safety Facility
																																				Longitudinal Barriers and Bridge Rails
																																				Modified U.S. Standard and Arizona G4(2W) W-beam Guardrail SystemsB-208
																																				December 29, 2010
																																				NCHRP 350
																																				Volkmann and Rossbach
																																				Longitudinal Barriers and Bridge Rails
																																				VarioGuard "C" Freestanding BarrierB-187
																																				February 13, 2009
																																				NCHRP 350
																																				MWRSF
																																				Longitudinal Barriers and Bridge Rails
																																				Transition from MGS to Asymmetrical Thrie Beam
TL-3
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