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                        Hardware Eligibility Letters


            
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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
																								TestingSort ascending
																								Manufacturer
																								Hardware Type
																								Device DescriptionSS-67A
																																				March 4, 2016
																																				NCHRP 350
																																				Franklin Industries Co.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Franklin Base Bolted Sign SupportSS-57A
																																				July 18, 1996
																																				NCHRP 350
																																				Marion Steel Company
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Redesigned Rib-BakSS-47
																																				September 14, 1994
																																				NCHRP 350
																																				South Dakota DOT
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Splicing 3PPF Marion post to 4PPF Franklin StubSS-36
																																				September 3, 1993
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Large and Small Sign Supports (See memo for details on various Wood, U-Channel, Perf.Sq.Steel Tube, Slip Base, FRP posts.)SS-22A
																																				August 22, 1999
																																				NCHRP 350
																																				Trus Joist McMillan
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				ReissueSS-13B
																																				December 12, 1991
																																				NCHRP 350
																																				Marion Steel
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Permit threaded spacers to lap splice designSS-02
																																				August 19, 1986
																																				NCHRP 350
																																				Trus Joist Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				MICRO-LAM - 14 7/8 X 7 7/8 in. box section plywood post. Tested in S-2 soil.B-217
																																				March 30, 2011
																																				NCHRP 350
																																				Armorflex International Ltd.
																																				Longitudinal Barriers and Bridge Rails
																																				Armorflex ORION Steel Barrier for Standard and Low DeflectionB-194
																																				August 21, 2009
																																				NCHRP 350
																																				Caltrans
																																				Longitudinal Barriers and Bridge Rails
																																				California Type 90 Concrete Bridge Rail TL-4B-175
																																				June 28, 2008
																																				NCHRP 350
																																				MWRSF
																																				Longitudinal Barriers and Bridge Rails
																																				MGS with round DougFir, PonderosaPine, SYPine
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