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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-123 NCHRP 350 Composite Structural Design, LLC Longitudinal Barriers and Bridge Rails Temporary steel bridge rail @ TL-5
B-64B NCHRP 350 Longitudinal Barriers and Bridge Rails guardrail posts in rock or mowing strips
WZ-171 NCHRP 350 Remcon Plastics Work Zone Devices Type I and Type II Barricades
WZ-77 NCHRP 350 Bunzl Extrusion Tacoma Inc. Work Zone Devices T3B Plastic Type III Barricades as crashworthy Trafic control device for use in work zones on the National Highway System
B-64D2 NCHRP 350 Longitudinal Barriers and Bridge Rails Aesthetic bridge rail, barrier, and transition designs
WZ-170 NCHRP 350 Premier Plastics, Ltd. Work Zone Devices Road Runner Portable Traffic Barricades
SS-122 NCHRP 350 Caminoverde, Inc. Sign Supports, Mailboxes, and Delineator Posts Breakaway mailbox support
CC-47B NCHRP 350 Energy Absorption Systems Inc. Barrier Terminals and Crash Cushions TRITON Concrete End Treatment System (TCETS) at TL2 & TL-3
CC-86 NCHRP 350 Hill & Smith Limited Barrier Terminals and Crash Cushions Terminal for BRIFEN cable barrier @ TL-3
B-88A NCHRP 350 Safence, Incorporated Longitudinal Barriers and Bridge Rails 4-cable median barrier @ TL-3. (Blue Systems AB)