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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-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
WZ-120 NCHRP 350 NES Work Safe Work Zone Devices Type III Barricade
B-98 NCHRP 350 North Carolina Department of Transportation Longitudinal Barriers and Bridge Rails 10-ft NJ barrier w/ triple loops and drop-in pin @ TL-3
WZ-116 NCHRP 350 Trafcon Inc. Work Zone Devices Type III Barricade Angle Legs, Plastic Panels
WZ-117 NCHRP 350 United Rentals Highway Technologies Work Zone Devices 1.5 x 2 inch angles on type III barricade frames