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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 Testing Manufacturer Hardware Type Device Description
B-100 NCHRP 350 Eco-Composites, LLC Longitudinal Barriers and Bridge Rails Eco-Composites plastic offset block
B-92A NCHRP 350 Imperial Laminators Longitudinal Barriers and Bridge Rails Glu-lam Posts/Offset Block Dimensions @ TL-3
B-39B NCHRP 350 Mondo Polymer Technologies Longitudinal Barriers and Bridge Rails Modified polymer block
CC-12J NCHRP 350 Texas Transportation Institute Barrier Terminals and Crash Cushions Steel CRP/SYTP posts for ET terminals
WZ-100 NCHRP 350 Korman Signs Incorporated Work Zone Devices Portable Sign Stands
LS-52 NCHRP 350 Valmont Industries, Inc. Luminaire Supports Breakaway Coupling
WZ-122 NCHRP 350 Eastern Metal - USA Sign Work Zone Devices 3-4mm Alpolic, Dibond, Reynolite Aluminum Laminate Signs
WZ-121 NCHRP 350 Work Area Protection Work Zone Devices SCI48 Plastic Sign Blank
WZ-115 NCHRP 350 United Rentals Highway Technologies Work Zone Devices Portable Sign Trailer
LS-53 NCHRP 350 Akron Foundry Luminaire Supports TS-1000 Threaded Traffic Signal Pedestal Base and TS-1000 Modified Threaded Traffic Signal Pedestal Base