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                        Hardware Eligibility Letters


            
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  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 ascending
																								Testing
																								Manufacturer
																								Hardware Type
																								Device DescriptionSS-46
																																				June 17, 1994
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Single Unmodified Cedar Post full dimension 4"x6"SS-45
																																				May 11, 1994
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Drilled Wood posts in concrete foundations,  Pennsylvania designs **CC-16A
																																				March 31, 1994
																																				NCHRP 350
																																				Syro Steel Co.
																																				Barrier Terminals and Crash Cushions
																																				Qualifies ADIEM for use as a crash cushion as well.SS-44
																																				March 30, 1994
																																				NCHRP 350
																																				Unistrut Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				14-gage A715 Gr 60 Perf. Square Steel posts *CC-12A
																																				February 28, 1994
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				Design modificationSS-43
																																				January 18, 1994
																																				NCHRP 350
																																				VSAR Systems
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Speed-E-Rect breakaway device for U-channelsB-26
																																				January 7, 1994
																																				NCHRP 350
																																				Energy Absorption Systems
																																				Longitudinal Barriers and Bridge Rails
																																				TRITON end treatmentsCC-20
																																				November 22, 1993
																																				NCHRP 350
																																				RENCO
																																				Barrier Terminals and Crash Cushions
																																				Truck Mounted AttenuatorSS-42
																																				November 10, 1993
																																				NCHRP 350
																																				Marion Steel Co.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				1.12 PPF and 1.33 PPF A-36 Delineator PostsSS-41
																																				November 8, 1993
																																				NCHRP 350
																																				Richard Strizki
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Load Concentrating Coupling and Adjustable Anchor and Bracket Assembly
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