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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
																								DateSort descending
																								Testing
																								Manufacturer
																								Hardware Type
																								Device DescriptionSS-13C
																																				December 27, 1991
																																				NCHRP 350
																																				Marion Steel
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Project by project acceptance of Florida's splice in both soil typesB-17
																																				February 11, 1992
																																				NCHRP 350
																																				(Minute Memo to Regions)
																																				Longitudinal Barriers and Bridge Rails
																																				Constant Slope Concrete Median Barrier.SS-26
																																				February 11, 1992
																																				NCHRP 350
																																				Unistrut Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Telespar square perf. tube small sign supports without sleeve around base post.B-18
																																				May 5, 1992
																																				NCHRP 350
																																				Pelco Products
																																				Longitudinal Barriers and Bridge Rails
																																				PB-5300 Ser. Cast Aluminum Traffic Signal Base.B-19
																																				May 13, 1992
																																				NCHRP 350
																																				Nat. Ready Mix Concrete Assn.
																																				Longitudinal Barriers and Bridge Rails
																																				Ontario "Tall Wall" Concrete Median BarrierSS-27
																																				May 15, 1992
																																				NCHRP 350
																																				Montana D.O.T.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Round wood post supportsSS-28
																																				May 26, 1992
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				3 1⁄2" Diam. Thin Walled Aluminum Tube
Single Spliced (6" c-c) Marion Steel or Franklin Steel 4 ppf U-channel postLS-26
																																				June 10, 1992
																																				NCHRP 350
																																				Sherman International
																																				Luminaire Supports
																																				Direct Burial Breakaway Fiberglass Luminaire SupportsSS-29
																																				July 15, 1992
																																				NCHRP 350
																																				A.B. Chance
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Helical Screw Foundations for Motorist Aid Call boxesLS-27
																																				July 20, 1992
																																				NCHRP 350
																																				Hapco Division
																																				Luminaire Supports
																																				Breakaway Aluminum Shoe Base, 11" BC
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