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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-54F NCHRP 350 Trinity Industries Barrier Terminals and Crash Cushions Modified TRACC attenuators @ TL2 and TL3
WZ-100#4 NCHRP 350 Korman Signs, Inc Work Zone Devices Portable Sign Stands and Type III Barricade
SS-121 NCHRP 350 Metropolitian Transportation Commission Sign Supports, Mailboxes, and Delineator Posts MTC Safe ITS Callbox on ABChance augured foundation four bolt slipbase
WZ-141 NCHRP 350 Dicke Tool/INCOM Inc. Work Zone Devices Portable sign stands
CC-69C NCHRP 350 Road Systems, Inc. Barrier Terminals and Crash Cushions BEAT Bridge Pier Protection System @ TL-3
B-34F NCHRP 350 Traffic Safety Devices, Inc. Longitudinal Barriers and Bridge Rails Modification to ROADGUARD barrier
CC-84 NCHRP 350 Connecticut DOT Barrier Terminals and Crash Cushions MELT W-beam guardrail terminal @ TL-2
CC-35F NCHRP 350 Energy Absorption Systems, Inc. Barrier Terminals and Crash Cushions QuadGuard CZ on a steel plate @ TL-3
CC-42A NCHRP 350 Energy Absorption Systems, Inc. Barrier Terminals and Crash Cushions QuadGuard w/ 10-degree side-panel flare
CC-75B NCHRP 350 Barrier Systems, Inc. Barrier Terminals and Crash Cushions TAU-II/TAU-II Wide system @ var. TL's