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                        Safety
                        Roadway Departure Safety
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                        Hardware Eligibility Letters


            
            In This Section
  

  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
    LetterSort descending
																								Date
																								Testing
																								Manufacturer
																								Hardware Type
																								Device DescriptionB-138
																																				August 4, 2005
																																				NCHRP 350
																																				Midwest Roadside Safety Facility
																																				Longitudinal Barriers and Bridge Rails
																																				TL-2 & TL-4 railings/transistions for timber bridge decksB-139
																																				August 10, 2005
																																				NCHRP 350
																																				Battelle Memorial Institute
																																				Longitudinal Barriers and Bridge Rails
																																				Ohio TL-3 W-beam rail and transitionB-14
																																				November 8, 1990
																																				NCHRP 350
																																				Smith-Midland Corp.
																																				Longitudinal Barriers and Bridge Rails
																																				J-hook connection for precast concrete median barriers.B-140
																																				November 3, 2005
																																				NCHRP 350
																																				Trinity Highway Safety Products Division
																																				Longitudinal Barriers and Bridge Rails
																																				T-31 Strong-post W-beam @ TL-3B-141
																																				November 17, 2005
																																				NCHRP 350
																																				Trinity Highway Safety Products, Inc.
																																				Longitudinal Barriers and Bridge Rails
																																				CASS TL-3 and CAS TL-4 I-post designsB-141A
																																				May 2, 2006
																																				NCHRP 350
																																				Trinity
																																				Longitudinal Barriers and Bridge Rails
																																				TL-3 CASS w/ driven posts at 20-foot spacingB-141B
																																				May 8, 2006
																																				NCHRP 350
																																				Trinity
																																				Longitudinal Barriers and Bridge Rails
																																				TL-3 CASS w/ 32.5-foot post spacingB-141C
																																				November 14, 2008
																																				NCHRP 350
																																				Trinity Industries
																																				Longitudinal Barriers and Bridge Rails
																																				CASS on 4:1 slope to 350 REVISEDB-141D
																																				March 19, 2009
																																				NCHRP 350
																																				Trinity Industries
																																				Longitudinal Barriers and Bridge Rails
																																				CASS of 141C on 6:1 slopes or flatterB-141E
																																				April 8, 2009
																																				NCHRP 350
																																				Trinity Industries
																																				Longitudinal Barriers and Bridge Rails
																																				CASS with C-Channel posts
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