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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
WZ-37 NCHRP 350 Lang Products International, Inc. Work Zone Devices Sign Stands
B-69 NCHRP 350 Barrier Systems, Inc. Longitudinal Barriers and Bridge Rails Steel Reactive Tension System (SRTS)/Concrete Reactive Tension System (CRTS)
CC-66A NCHRP 350 Barrier Systems, Inc. Barrier Terminals and Crash Cushions ABSORB 350 crash cushion @ TL-2
SS-87 Ericsson Manufacturing Sign Supports, Mailboxes, and Delineator Posts Precast Concrete Foundation for Small Sign Supports
WZ-41 NCHRP 350 United Rentals Highway Technologies Work Zone Devices Type I and Type II Barricades
WZ-40 NCHRP 350 Work Zone Devices Type III Perforated Steel Tybing Barricade, Ill. L-Channel Type III Barricade, Crosswind Portable Sign Stand
WZ-38 NCHRP 350 Flex-O-Lite Work Zone Devices Drums, Barricades and Portable Signs
WZ-42 NCHRP 350 Cogent Enterprises, Inc. Work Zone Devices Cordonator tm
WZ-36 NCHRP 350 Protection Services, Inc. Work Zone Devices Type II Barricade
WZ-33 NCHRP 350 Three D Traffic Works, Inc. Work Zone Devices TD2000 Works Barricade