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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
																								DateSort ascending
																								Testing
																								Manufacturer
																								Hardware Type
																								Device DescriptionLS-23
																																				February 7, 1991
																																				NCHRP 350
																																				PrecisionForm
																																				Luminaire Supports
																																				Revision to PF200-1 breakaway coupler.SS-22
																																				January 4, 1991
																																				NCHRP 350
																																				Trus Joist Corporation
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Type "L" MICRO=LAM with revised saw cutSS-21
																																				December 26, 1990
																																				NCHRP 350
																																				Minute Man Breakaway
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				MMB-1HD breakaway device with two 3 #/ft flanged channel "U" posts in both strong and weak soil.B-15
																																				December 6, 1990
																																				NCHRP 350
																																				Roadway Safety Services
																																				Longitudinal Barriers and Bridge Rails
																																				Dragnet Vehicle Arresting SystemB-14
																																				November 8, 1990
																																				NCHRP 350
																																				Smith-Midland Corp.
																																				Longitudinal Barriers and Bridge Rails
																																				J-hook connection for precast concrete median barriers.SS-20
																																				September 20, 1990
																																				NCHRP 350
																																				Franklin Steel
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				2 to 3 pound-per-foot flanged channel "U" posts.LS-22
																																				September 19, 1990
																																				NCHRP 350
																																				Akron Foundry
																																				Luminaire Supports
																																				Chart summarizing approval letters ls2, ls4, ls9, ls15, ls19LS-21
																																				September 7, 1990
																																				NCHRP 350
																																				Shakespeare Products
																																				Luminaire Supports
																																				Fiberglass poles ASW27 thru ASW35 and AHW27 thru AHW35 with Al shoe baseLS-20
																																				August 20, 1990
																																				NCHRP 350
																																				Union Metal
																																				Luminaire Supports
																																				A2849 Al Transformer Base, 15" BCLS-18
																																				August 6, 1990
																																				NCHRP 350
																																				Akron Foundry
																																				Luminaire Supports
																																				F-1300 and F-1302 Al Transformer Bases (tests of Pole Lite bases)
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