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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 DescriptionLS-12
																																				May 14, 1990
																																				NCHRP 350
																																				P&K Pole Products
																																				Luminaire Supports
																																				7" & 8" Al shoe bases, 10" slip baseB-12
																																				April 16, 1990
																																				NCHRP 350
																																				International Barrier Corp.
																																				Longitudinal Barriers and Bridge Rails
																																				Revised design of MK-7 Drainage/Obstacle Mod.LS-06A
																																				March 5, 1990
																																				NCHRP 350
																																				Shakespeare Products
																																				Luminaire Supports
																																				Extrapolate acceptance to higher polesLS-10
																																				February 26, 1990
																																				NCHRP 350
																																				Precision Form
																																				Luminaire Supports
																																				PrecisionForm Coupler PFI 200-1 for poles weighing no more than 800#.LS-09
																																				January 24, 1990
																																				NCHRP 350
																																				Akron Foundry
																																				Luminaire Supports
																																				TB-2 and TB-3 Al Transformer Bases (TB-2 B.C. increased via ls15)LS-08
																																				January 11, 1990
																																				NCHRP 350
																																				Transpo Industries
																																				Luminaire Supports
																																				Pole-Safe breakaway couplings for Conventional luminaire supports weighing no more than 900#.SS-17
																																				January 8, 1990
																																				NCHRP 350
																																				Transpo Industries
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Type A and Type B breakaway couplings.(If installed by direct burial, then Type AUX for S-1 soil only.)
(Posts limited to 45 #/ft below the hinge.)CC-13A
																																				January 3, 1990
																																				NCHRP 350
																																				Energy Absorption Systems, Inc.
																																				Barrier Terminals and Crash Cushions
																																				Brakemaster (Experimental) (Letter of 1/3/90 qualifies device for roadside as well as for median useSS-16
																																				December 29, 1989
																																				NCHRP 350
																																				Minute Man Breakaway
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				MMB-1HD breakaway device for use with 3 #/ft. steel flanged channel "U"-posts.SS-15
																																				December 12, 1989
																																				NCHRP 350
																																				
																																				Sign Supports, Mailboxes, and Delineator Posts
																																				Single 3" and 4" diameter Aluminum, 3/16" wall, direct   burial tube. **
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