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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
WZ-126 NCHRP 350 Lang Products Work Zone Devices LTT-1 Portable Sign Stand
WZ-129 NCHRP 350 D.P.Sawyer, TTI Work Zone Devices Low-Height Temporary Rigid Panel Sign Stand
B-104 NCHRP 350 Pennsylvania Department of Transportation Longitudinal Barriers and Bridge Rails Concrete parapet w/steel rail @ TL-5
WZ-128 NCHRP 350 Three-D Traffic Works Work Zone Devices Type III Barricade 7/12/02
CC-78 Energy Absorption Systems, inc. Barrier Terminals and Crash Cushions TL-3 TMA
B-34E NCHRP 350 Armorcast Products Company Longitudinal Barriers and Bridge Rails Modified Guardian Design @TL-3
B-102 NCHRP 350 John Carlo, Inc. Longitudinal Barriers and Bridge Rails Conditional Acceptance: 20' NJ-shape TCB @ TL-3
CC-54C NCHRP 350 Trinity Industries, Inc. Barrier Terminals and Crash Cushions TRACC Transition Designs
B-103 NCHRP 350 Project Back to EDEN Longitudinal Barriers and Bridge Rails Recycled Rubber Blockout
B-100 NCHRP 350 Eco-Composites, LLC Longitudinal Barriers and Bridge Rails Eco-Composites plastic offset block