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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 DescriptionB-21
																																				November 27, 1992
																																				NCHRP 350
																																				Energy Absorption Systems
																																				Longitudinal Barriers and Bridge Rails
																																				Triton Water Filled Barrier for Low Speed ApplicationsLS-23A
																																				November 20, 1992
																																				NCHRP 350
																																				PrecisionForm
																																				Luminaire Supports
																																				Supplement Removes Certain ConditionsSS-33
																																				October 29, 1992
																																				NCHRP 350
																																				Transpo Industries, Inc.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				201C and 301C Pole-Safe couplings for Motorist Aid Call Box SupportsSS-32
																																				October 28, 1992
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Western Red Cedar for Breakaway Wood SupportsSS-31
																																				October 22, 1992
																																				NCHRP 350
																																				Allied Tube and Conduit
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Single Perforated Square Steel Tube 2 1⁄2" 12 ga in 7 ga anchorCC-17
																																				October 20, 1992
																																				NCHRP 350
																																				Roadway Safety Service
																																				Barrier Terminals and Crash Cushions
																																				FITCH Sand Barrel Attenuator with "Zip-Strip" Connectors and "Unicore" Sand Support StructureSS-30A
																																				October 5, 1992
																																				NCHRP 350
																																				Hapco Division
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Extend range of pole heights and correct aluminum spec called for in SS-30SS-30
																																				September 17, 1992
																																				NCHRP 350
																																				Hapco Division
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Cast Aluminum Shoe Base for Motorist Aid Call box SupportsLS-27A
																																				September 1, 1992
																																				NCHRP 350
																																				Hapco Division
																																				Luminaire Supports
																																				Change in handhole dimensionsB-20
																																				September 1, 1992
																																				NCHRP 350
																																				Mobil Chemical Company "Timbrex"
																																				Longitudinal Barriers and Bridge Rails
																																				Recycled Blockouts for use on Wood Strong-Post W-Beam Guardrail
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