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                        Hardware Eligibility Letters


            
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  Roadway Departure Safety
                Strategic Approach
                Keep Vehicles on the Road
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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
																								TestingSort ascending
																								Manufacturer
																								Hardware Type
																								Device DescriptionLS-15
																																				May 30, 1990
																																				NCHRP 350
																																				Akron Foundry
																																				Luminaire Supports
																																				TB-2 Al Transformer base, 12" B.C. TB-1 Al Transformer base, 950# pole.LS-01
																																				June 15, 1988
																																				NCHRP 350
																																				Sherman International
																																				Luminaire Supports
																																				Fiberglass Luminaire Support MB 36-D-50-56SS-161
																																				January 26, 2010
																																				NCHRP 350
																																				Spot Devices
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				IDC Speed Check Radar Speed Display DevicesSS-146
																																				March 16, 2007
																																				NCHRP 350
																																				Designovations
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Snap N Safe round couplerSS-132
																																				February 9, 2006
																																				NCHRP 350
																																				Sign Support Systems
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Break Out CouplerSS-119
																																				February 27, 2003
																																				NCHRP 350
																																				Northwest Pipe Company
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Square Slipbase, PozLoc in weak soil, and Pozloc MailboxSS-99
																																				October 23, 2001
																																				NCHRP 350
																																				Transpo Industries, Inc.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Dual and Triple Posts on double-necked couplingsSS-81
																																				January 20, 1999
																																				NCHRP 350
																																				S-Square Tube Products
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				NEX-TUBE 50.8-mm octagonal steel, 12 or 14 gage tubes in anchor or direct bury, strong and weak soilSS-68H
																																				December 26, 2001
																																				NCHRP 350
																																				Xcessories Squared
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Modification to 8-inch 3-bolt slip bases – Revised concrete footer for weak soilSS-63
																																				July 2, 1996
																																				NCHRP 350
																																				S Square Tube Products
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Perforated square steel tube sign supports
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