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  Roadway Departure Safety
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                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 DescriptionCC-37C
																																				April 1, 1997
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				Design modificationSS-50
																																				November 8, 1994
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Virginia's 5x5 unmodified single wood post in soil-cement foundation **SS-05
																																				June 15, 1987
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				a. Perforated square steel tube - 2 x 2 in. x 0.105 wall  thick. max size.** 
b. Single 3 lb/ft steel U-post. **
c. Dual 3 lb/ft steel U-post. **
d. Ariz. dual legged slip base S4x7.7 post
e. Texas dual leg slip base, W12x45 post
f. to g. repeated SS-1 to SS-4 aboveCC-12A
																																				February 28, 1994
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				Design modificationLS-36
																																				March 24, 1995
																																				NCHRP 350
																																				
																																				Luminaire Supports
																																				Wyoming Road Closure GateSS-23
																																				March 14, 1991
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				New Jersey Breakaway CouplingsSS-46A
																																				September 21, 1995
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Dual Unmodified Cedar Posts full dimension 4"x6"SS-46
																																				June 17, 1994
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Single Unmodified Cedar Post full dimension 4"x6"CC-36A
																																				June 17, 1997
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				at TL-3SS-45
																																				May 11, 1994
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Drilled Wood posts in concrete foundations,  Pennsylvania designs **
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