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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-183 NCHRP 350 NUCOR Steel Marion Longitudinal Barriers and Bridge Rails NU Cable -- plastic or steel sockets
CC-47C NCHRP 350 Energy Absorption Systems, Inc. Barrier Terminals and Crash Cushions TRITON Concrete End Treatment System TL-3
B-182 NCHRP 350 MWRSF Longitudinal Barriers and Bridge Rails Concrete Median Barrier meeting head ejection criteria
CC-57C NCHRP 350 Energy Absorption Systems, Inc. Barrier Terminals and Crash Cushions 5-Bay QuadGuard® Elite TL-2
B-141C NCHRP 350 Trinity Industries Longitudinal Barriers and Bridge Rails CASS on 4:1 slope to 350 REVISED
WZ-276 NCHRP 350 Julian McDermott Corp. Work Zone Devices Generic dsign accepted based on compact sign stand qualification. Stand utilizes a 24-inch sign mounting height, roll-up sign only.
CC-69E NCHRP 350 Safety By Design Barrier Terminals and Crash Cushions Single Sided Crash Cushion
CC-103 NCHRP 350 Barrier Systems, Inc Barrier Terminals and Crash Cushions U-MAD Trailer Mounted Attenuator
WZ-275 NCHRP 350 Bone Safety Signs Work Zone Devices Temporary sign stand with a minimum 60 inch mounting height.
CC-88B NCHRP 350 Road Systems, Inc. Barrier Terminals and Crash Cushions SKT & FLEAT using 2 breakaway posts