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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
																								Testing
																								ManufacturerSort descending
																								Hardware Type
																								Device DescriptionLS-44B
																																				April 2, 1997
																																				NCHRP 350
																																				Valmont
																																				Luminaire Supports
																																				Use of ASTM A574 fasteners in above couplingLS-44A
																																				February 24, 1997
																																				NCHRP 350
																																				Valmont
																																				Luminaire Supports
																																				Production Model of above Breakaway CouplingLS-44
																																				May 28, 1996
																																				NCHRP 350
																																				Valmont
																																				Luminaire Supports
																																				Breakaway Coupling / Miniature four-bolt slip baseLS-16
																																				June 29, 1990
																																				NCHRP 350
																																				Valmont Industries
																																				Luminaire Supports
																																				Slip Base specificationsLS-14
																																				May 30, 1990
																																				NCHRP 350
																																				Valmont Industries
																																				Luminaire Supports
																																				Cast Al transformer base No. 0283093 15 inch maximum bolt circleLS-72
																																				March 30, 2011
																																				NCHRP 350
																																				Valmont Industries, Inc.
																																				Luminaire Supports
																																				Valmont Decorative Clamshell Base CoversLS-52
																																				June 11, 2002
																																				NCHRP 350
																																				Valmont Industries, Inc.
																																				Luminaire Supports
																																				Breakaway Coupling
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              9 U.S. DEPARTMENT OF TRANSPORTATION

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