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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 descending
																								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"CC-21
																																				June 22, 1994
																																				NCHRP 350
																																				Energy Absorption Systems, Inc.
																																				Barrier Terminals and Crash Cushions
																																				Truck Mounted AttenuatorCC-18A
																																				June 23, 1994
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				Supplement accepts it as a median terminal as well.CC-22
																																				June 24, 1994
																																				NCHRP 350
																																				Texas Transportation Institute
																																				Barrier Terminals and Crash Cushions
																																				Two Slotted Rail TerminalsSS-39A
																																				June 24, 1994
																																				NCHRP 350
																																				Recycled Plastic Products, Inc.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Smaller diameter tubesB-27
																																				August 1, 1994
																																				NCHRP 350
																																				Collins & Aikman Corp.
																																				Longitudinal Barriers and Bridge Rails
																																				Recycled Blockout for wood-post guardrailSS-47
																																				September 14, 1994
																																				NCHRP 350
																																				South Dakota DOT
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Splicing 3PPF Marion post to 4PPF Franklin StubSS-48
																																				September 23, 1994
																																				NCHRP 350
																																				SAFE, Inc
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Safe Foundation and Anchors base for breakaway couplingsB-21A
																																				September 27, 1994
																																				NCHRP 350
																																				(supplement to B-21)
																																				Longitudinal Barriers and Bridge Rails
																																				Additional information on application of TritonSS-49
																																				October 26, 1994
																																				NCHRP 350
																																				Galvacor
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				2 PPF U-channel A-36 steel delineator posts
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