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                        Hardware Eligibility Letters


            
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  Roadway Departure Safety
                Strategic Approach
                Keep Vehicles on the Road
                Provide for a Safe Recovery
                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
																								DateSort ascending
																								Testing
																								Manufacturer
																								Hardware Type
																								Device DescriptionSS-38
																																				October 27, 1993
																																				
																																				Unistrut Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Telespar Cast Iron Three-Bolt Slip BaseSS-40
																																				October 27, 1993
																																				NCHRP 350
																																				Unistrut Corp.
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				2" Square Perforated Steel Tube, One Post, Direct BurySS-39
																																				October 25, 1993
																																				NCHRP 350
																																				Recycled Plastic Prod.,Inc
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				3.5" x 3.5" Recycled Plastic Small Sign SupportLS-33
																																				October 12, 1993
																																				NCHRP 350
																																				Manitoba Safe-T-Base
																																				Luminaire Supports
																																				Cast iron breakaway couplingsLS-34
																																				October 5, 1993
																																				NCHRP 350
																																				Millerbernd Manufacturing
																																				Luminaire Supports
																																				Progressive Shear Bases 40C63 and 40C49 on stainless, high carbon, and CORTEN A polesSS-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.)LS-32
																																				September 3, 1993
																																				NCHRP 350
																																				Hapco Division
																																				Luminaire Supports
																																				Cast Al.Shoe Bases TP3405 & TP3406, 9&12" BCSS-37
																																				August 13, 1993
																																				NCHRP 350
																																				Greenline
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Recycled Thermoplastic Delineator PostsLS-31
																																				June 17, 1993
																																				NCHRP 350
																																				Syro Steel
																																				Luminaire Supports
																																				ADD. Breakaway Timber Utility Pole (Four-bolt slip base)B-24
																																				June 16, 1993
																																				NCHRP 350
																																				Friend Town and Country
																																				Longitudinal Barriers and Bridge Rails
																																				Breakaway Mailbox Support for snow areas
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