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  Roadway Departure Safety
                Strategic Approach
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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
																								TestingSort descending
																								Manufacturer
																								Hardware Type
																								Device DescriptionSS-76
																																				January 9, 1998
																																				NCHRP 350
																																				New Hampshire DOT
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Certain thin walled Aluminum pipe and steel u-channelsSS-68B
																																				October 7, 1997
																																				NCHRP 350
																																				X-Cessories Squared
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Slip Base for Retrofit Square Steel Tube PostsSS-59A
																																				April 19, 1996
																																				NCHRP 350
																																				Chicago Heights Steel
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Modify design to use "bar spacer"SS-49
																																				October 26, 1994
																																				NCHRP 350
																																				Galvacor
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				2 PPF U-channel A-36 steel delineator postsSS-24A
																																				October 22, 1997
																																				NCHRP 350
																																				Xcessories Squared
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Reference Xcessories Squared as the manufacturer.SS-14
																																				October 27, 1989
																																				NCHRP 350
																																				Marion Steel
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Rib-Bak Post with Minuteman Coupling **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 aboveB-220
																																				May 3, 2011
																																				NCHRP 350
																																				Hill & Smith. Inc.
																																				Longitudinal Barriers and Bridge Rails
																																				Zoneguard, Portable Steel Barrier Expansion Joint UnitsB-200
																																				January 28, 2010
																																				NCHRP 350
																																				MWRSF
																																				Longitudinal Barriers and Bridge Rails
																																				WV Steel BR for Nail Laminated DeckB-179
																																				July 11, 2008
																																				NCHRP 350
																																				Energy Absorption, Inc
																																				Longitudinal Barriers and Bridge Rails
																																				TL-1 Triton Water Filled Barrier
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