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  Roadway Departure Safety
                Strategic Approach
                Keep Vehicles on the Road
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                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 ascending
																								Hardware Type
																								Device DescriptionLS-22
																																				September 19, 1990
																																				NCHRP 350
																																				Akron Foundry
																																				Luminaire Supports
																																				Chart summarizing approval letters ls2, ls4, ls9, ls15, ls19LS-19
																																				August 6, 1990
																																				NCHRP 350
																																				Akron Foundry
																																				Luminaire Supports
																																				TB-3-17, TB-5-9, TB-6-9 Transformer Bases, 11.5 to 15.5" BCLS-18
																																				August 6, 1990
																																				NCHRP 350
																																				Akron Foundry
																																				Luminaire Supports
																																				F-1300 and F-1302 Al Transformer Bases (tests of Pole Lite bases)LS-17
																																				August 6, 1990
																																				NCHRP 350
																																				Akron Foundry
																																				Luminaire Supports
																																				CS-300 and CS-370 Al Transformer Bases (tests of Feralux bases)LS-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-09
																																				January 24, 1990
																																				NCHRP 350
																																				Akron Foundry
																																				Luminaire Supports
																																				TB-2 and TB-3 Al Transformer Bases (TB-2 B.C. increased via ls15)B-91
																																				November 15, 2001
																																				NCHRP 350
																																				Aeolian Enterprises, Inc.
																																				Longitudinal Barriers and Bridge Rails
																																				Aeolian recycled plastic block @ TL-3LS-28
																																				July 27, 1992
																																				NCHRP 350
																																				Adian Engineering
																																				Luminaire Supports
																																				Adian Breakaway Base for Luminaire Supports Model TB-01, 16" to 17" BSS-157
																																				December 6, 2007
																																				NCHRP 350
																																				Addresses of Distinction
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Aluminum tube, alloy 6063-T52, diameters 2.375 and 2.875 inches. References SS-28.SS-158
																																				February 12, 2008
																																				NCHRP 350
																																				ACS Inc.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Light Camera mounted on Pelco Pole
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