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                        Hardware Eligibility Letters


            
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  Roadway Departure Safety
                Strategic Approach
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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 ascending
																								Hardware Type
																								Device DescriptionB-222
																																				January 27, 2012
																																				NCHRP 350
																																				Armorflex
																																				Longitudinal Barriers and Bridge Rails
																																				TL-4 Armorwire Cable  BarrierWZ-293
																																				October 22, 2010
																																				NCHRP 350
																																				
																																				Work Zone Devices
																																				ShowMeStand ground-mounted portable sign standSS-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-57
																																				September 26, 1995
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Minuteman coupler on Triple 3ppf and 4ppf (w/soil plate on 4ppf),in all soils.WZ-22
																																				October 19, 1999
																																				NCHRP 350
																																				
																																				Work Zone Devices
																																				Yodock 2001 m Barrier w/ T3 ApparatusSS-32
																																				October 28, 1992
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Western Red Cedar for Breakaway Wood SupportsCC-37C
																																				April 1, 1997
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				Design modificationCC-12A
																																				February 28, 1994
																																				NCHRP 350
																																				
																																				Barrier Terminals and Crash Cushions
																																				Design modificationSS-28
																																				May 26, 1992
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				3 1⁄2" Diam. Thin Walled Aluminum Tube
Single Spliced (6" c-c) Marion Steel or Franklin Steel 4 ppf U-channel postSS-07
																																				September 1, 1988
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Wisconsin Large Sign Support System - slip base w/no upper hinge, sign  attachment clips provide for release, W12x22 posts tested
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