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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-181
																																				July 28, 2008
																																				NCHRP 350
																																				Western Federal Lands
																																				Longitudinal Barriers and Bridge Rails
																																				Random Rubble Cavity Wall -- Aesthetic BarrierB-182
																																				November 14, 2008
																																				NCHRP 350
																																				MWRSF
																																				Longitudinal Barriers and Bridge Rails
																																				Concrete Median Barrier meeting head ejection criteriaB-183
																																				November 26, 2008
																																				NCHRP 350
																																				NUCOR Steel Marion
																																				Longitudinal Barriers and Bridge Rails
																																				NU Cable -- plastic or steel socketsB-184
																																				December 9, 2008
																																				NCHRP 350
																																				NUCOR Steel Marion
																																				Longitudinal Barriers and Bridge Rails
																																				NU-Cable -- New Hanger for TL-4B-184A
																																				August 3, 2009
																																				NCHRP 350
																																				Nucor Steel Marion
																																				Longitudinal Barriers and Bridge Rails
																																				NU-Cable- 20 foot post spacing TL-4B-185
																																				December 8, 2008
																																				NCHRP 350
																																				Nucor Steel Marion Inc.
																																				Longitudinal Barriers and Bridge Rails
																																				Nu-Guard 27 Barrier SystemB-186
																																				August 3, 2009
																																				NCHRP 350
																																				NUCOR Steel Marion
																																				Longitudinal Barriers and Bridge Rails
																																				NU-Guard Posts mixed in Strong Post Guardrail TL-3B-187
																																				February 13, 2009
																																				NCHRP 350
																																				MWRSF
																																				Longitudinal Barriers and Bridge Rails
																																				Transition from MGS to Asymmetrical Thrie Beam
TL-3B-19
																																				May 13, 1992
																																				NCHRP 350
																																				Nat. Ready Mix Concrete Assn.
																																				Longitudinal Barriers and Bridge Rails
																																				Ontario "Tall Wall" Concrete Median BarrierB-191
																																				March 18, 2010
																																				NCHRP 350
																																				MWRSF
																																				Longitudinal Barriers and Bridge Rails
																																				Modified 3 cable adjacent to steep slope
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