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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
CC-61C NCHRP 350 Midwest Roadside Safety Facility Barrier Terminals and Crash Cushions Single-bolt post for FLEAT/SKT terminals
SS-123 NCHRP 350 Designovations, Inc. Sign Supports, Mailboxes, and Delineator Posts Breakaway system for fiberglass square tube sign
SS-120 NCHRP 350 Designovations, Inc. Sign Supports, Mailboxes, and Delineator Posts Breakaway system for perforated square steel tube sign posts
SS-124 NCHRP 350 Ultimate Highway Products, Inc. Sign Supports, Mailboxes, and Delineator Posts Slip-Mate
B-126 NCHRP 350 Nebraska Department of Roads Longitudinal Barriers and Bridge Rails Concrete Post & Beam Railing @ TL-4
WZ-176 NCHRP 350 Impact Recovery Systems Work Zone Devices Vertical panel and directional indicator barricade with the Empco-Lite Y2K light
B-125 NCHRP 350 Safety Barriers, Inc. Longitudinal Barriers and Bridge Rails SB-1-TL water-filled barrier @ TL-3
WZ-179 NCHRP 350 Davidson Traffic Control Products Work Zone Devices T3B Plastic Type III Barricades
WZ-175 NCHRP 350 Bonnies Barricades Work Zone Devices Type II barricades as crashworthy traffic control devices
B-109B NCHRP 350 Burkett Molding, Inc. Longitudinal Barriers and Bridge Rails Modified plastic block (P-Block) for use w/ strong post guardrail