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FHWA Highway Safety Programs

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.

Letter Date Sort ascending Testing Manufacturer Hardware Type Device Description
B-86 NCHRP 350 Daniel J. MacDonald, Oregon DOT Longitudinal Barriers and Bridge Rails 12.5 ft F-shape precast concrete barrier w/a pin and loop connection @ TL-3
B-89 NCHRP 350 Bijan Kasraie, Consolidated Tire Corporation Longitudinal Barriers and Bridge Rails Akamite Recycled Tire Blockout @ TL-3
SS-96 NCHRP 350 Poly-set Sign Supports, Mailboxes, and Delineator Posts Expanding Foam Backfill Material
WZ-81 NCHRP 350 TrafFix Devices Work Zone Devices Little Buster with 48x48 Aluminum
SS-97 NCHRP 350 Safety Base LTD Sign Supports, Mailboxes, and Delineator Posts Breakaway Sign Post Couplings
B-88 NCHRP 350 Mats Heinevik, Blue Systems, AB Longitudinal Barriers and Bridge Rails Safence 350 Wire Rope Barrier @ TL3
B-85A NCHRP 350 Rodney A. Boyd, Trinity Industries, Inc Longitudinal Barriers and Bridge Rails King Recycled Composite Guardrail offset block @ TL-3
WZ-80 NCHRP 350 United Rentals Highway Technologies Work Zone Devices Revised Safety Cade Vertical Panel
B-87 NCHRP 350 James R. Keaton, Barrier Systems, Inc. Longitudinal Barriers and Bridge Rails SafeGuard Gate System (SGS) @ TL-3
B-81 NCHRP 350 Michael M. Ryan, PE, PennDOT Longitudinal Barriers and Bridge Rails PA W-beam Transition @ TL-3