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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 descending
																								Hardware Type
																								Device DescriptionCC-12E
																																				September 22, 1998
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				Design modification - rail element length @ TL-3SS-15
																																				December 12, 1989
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Single 3" and 4" diameter Aluminum, 3/16" wall, direct   burial tube. **CC-12D
																																				December 20, 1996
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				Modified ET-2000 (LET) @ TL-3B-64D2
																																				February 12, 2004
																																				NCHRP 350
																																				
																																				Longitudinal Barriers and Bridge Rails
																																				Aesthetic bridge rail, barrier, and transition designsCC-12C
																																				August 22, 1995
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				NCHRP 350 ACCEPTANCE @ TL-3CC-12B
																																				April 26, 1995
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				Design modificationCC-23A
																																				August 22, 1995
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				BEST modifications to reduce costCC-35B
																																				October 17, 1996
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				QUADGUARD Crash Cushion - no traffic direction restrictionsB-64B
																																				March 10, 2004
																																				NCHRP 350
																																				
																																				Longitudinal Barriers and Bridge Rails
																																				guardrail posts in rock or mowing stripsCC-35A
																																				October 30, 1996
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				QUARDGUARD CZ @ TL-3
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