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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 DescriptionLS-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-52
																																				June 11, 2002
																																				NCHRP 350
																																				Valmont Industries, Inc.
																																				Luminaire Supports
																																				Breakaway CouplingLS-72
																																				March 30, 2011
																																				NCHRP 350
																																				Valmont Industries, Inc.
																																				Luminaire Supports
																																				Valmont Decorative Clamshell Base CoversWZ-03
																																				January 28, 1998
																																				NCHRP 350
																																				Various
																																				Work Zone Devices
																																				FHWA Memo of 8-28-98. It finds the following tested devices acceptable for use on the NHS. See Attachment B, Table 2 for test data, and the drawings after the tables for illustrations of the crashworthy devices.B-147
																																				May 8, 2006
																																				NCHRP 350
																																				Various
																																				Longitudinal Barriers and Bridge Rails
																																				Cable to Metal-beam guardrail transitionsB-213
																																				December 22, 2010
																																				NCHRP 350
																																				Varley and Gulliver Limited
																																				Longitudinal Barriers and Bridge Rails
																																				Proprietary VGAN 300 Aluminum Permanent Bridge BarrierB-208
																																				December 29, 2010
																																				NCHRP 350
																																				Volkmann and Rossbach
																																				Longitudinal Barriers and Bridge Rails
																																				VarioGuard "C" Freestanding BarrierSS-43
																																				January 18, 1994
																																				NCHRP 350
																																				VSAR Systems
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Speed-E-Rect breakaway device for U-channels
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