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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
CC-35D Energy Absorption Systems, Inc. Barrier Terminals and Crash Cushions 9-bay unit w/ add'l capacity@TL-3
WZ-95 NCHRP 350 United Rentals Work Zone Devices High SafetyCor X-Tube Speed Limit Sign #129
WZ-94 NCHRP 350 United Rentals Work Zone Devices High SafetyCor X-Tube Speed Limit Sign #128
WZ-91 NCHRP 350 United Rentals Work Zone Devices Low H-Stand with 36" Sign #125
WZ-93 NCHRP 350 United Rentals Work Zone Devices SafetyCor X-Tube Speed Limit Sign #127
WZ-90 NCHRP 350 United Rentals Work Zone Devices Low SafetyCor X-Tube Sign Stand #124
WZ-92 NCHRP 350 United Rentals Work Zone Devices Airspill Vertical Panel, with light #126
WZ-87B NCHRP 350 Eastern Metal/USA-Sign Work Zone Devices Revisions to previous acceptances
WZ-87A NCHRP 350 Eastern Metal/USA-Sign Work Zone Devices Revisions to previous acceptances
WZ-82 NCHRP 350 Three D Traffic Works, Inc. Work Zone Devices Type III Barricade 4-29-2001