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                        Hardware Eligibility Letters


            
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  Roadway Departure Safety
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                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-131
																																				December 2, 2005
																																				NCHRP 350
																																				Xcessories Squared
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				PSST CouplingSS-68F
																																				December 20, 2000
																																				NCHRP 350
																																				Xcessories Squared
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Modification to 3-bolt baseSS-52
																																				February 8, 1995
																																				NCHRP 350
																																				Xcessories Squared
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Three-Bolt Slip Base (same as SS-24) (Letter was originally written to Allied Highway Sales, but hardware is manufactured by Xcessories Squared.)SS-68E
																																				December 9, 1999
																																				NCHRP 350
																																				Xcessories Squared
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Modification to 10-inch, 3-boltslip baseWZ-220
																																				January 13, 2006
																																				NCHRP 350
																																				Yodock
																																				Work Zone Devices
																																				Slimline Channelizer  Model 2001SLWZ-106A
																																				November 21, 2006
																																				NCHRP 350
																																				Yodock
																																				Work Zone Devices
																																				Energy Displacement cell channelizerB-97A
																																				April 4, 2008
																																				NCHRP 350
																																				Yodock Wall Co., Inc.
																																				Longitudinal Barriers and Bridge Rails
																																				Modified Side Rail SupportWZ-107
																																				February 7, 2002
																																				NCHRP 350
																																				Yodock Wall Co., Inc.
																																				Work Zone Devices
																																				Energy Dispersement Cell BarricadeWZ-106
																																				February 7, 2002
																																				NCHRP 350
																																				Yodock Wall Co., Inc.
																																				Work Zone Devices
																																				Energy Dispersement Cell Channelizer (EDCC)WZ-127
																																				October 9, 2002
																																				NCHRP 350
																																				Yodock Wall Company
																																				Work Zone Devices
																																				Yodock 2002 Barrier
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