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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
																								Date
																								Testing
																								ManufacturerSort descending
																								Hardware Type
																								Device DescriptionSS-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 anchorB-57
																																				October 8, 1999
																																				NCHRP 350
																																				Aloha Plastic Recycling, Inc.
																																				Longitudinal Barriers and Bridge Rails
																																				Recycled Polyethylene BlockWZ-254
																																				April 10, 2007
																																				NCHRP 350
																																				Alucobest
																																				Work Zone Devices
																																				Aluminum laminate substrate -- 2 mm and 3 mmWZ-79
																																				
																																				NCHRP 350
																																				Alusuisse Composites
																																				Work Zone Devices
																																				Equivalence for Dibond and Alpolic.WZ-65
																																				December 21, 2000
																																				NCHRP 350
																																				American Fence
																																				Work Zone Devices
																																				Rubber Ballast for Type III BarricadeB-166
																																				December 21, 2007
																																				NCHRP 350
																																				Anro Products Inc.
																																				Longitudinal Barriers and Bridge Rails
																																				Omni products, guardrail plastic spacer blockB-107
																																				September 5, 2003
																																				NCHRP 350
																																				ANRO Timber Products, Incorporated
																																				Longitudinal Barriers and Bridge Rails
																																				Recycled Plastic Blockout for TL-3 W-beam GuardianSS-144
																																				January 23, 2007
																																				NCHRP 350
																																				ARC Technologies
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Precast MailboxB-34E
																																				July 11, 2002
																																				NCHRP 350
																																				Armorcast Products Company
																																				Longitudinal Barriers and Bridge Rails
																																				Modified Guardian Design @TL-3CC-119
																																				August 22, 2011
																																				NCHRP 350
																																				ArmorFlex
																																				Barrier Terminals and Crash Cushions
																																				TL-2 Armorzone Barrier and Terminal
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