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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#1 NCHRP 350 Korman Signs Work Zone Devices Portable Sign Stands and Type III Barricade – Added additional substrates
WZ-113 NCHRP 350 Traffix Devices Work Zone Devices Extrapolations of various accepted devices
B-85C NCHRP 350 N/A Longitudinal Barriers and Bridge Rails N/A
CC-75A NCHRP 350 Barrier Systems, Inc. Barrier Terminals and Crash Cushions TAU-II anchorage options
& 70 mph design
WZ-123 NCHRP 350 United Rentals Work Zone Devices Portable Sign Stand mod for Larger Sign.
B-110 NCHRP 350 Caltrans Materials Engineering and Testing Services Longitudinal Barriers and Bridge Rails Texture Guidelines for SS and Vertical Concrete Barriers
WZ-130 NCHRP 350 Sign Up Corporation Work Zone Devices X-Cell 48 HDL
SS-91 NCHRP 350 Quickfix Couplers Sign Supports, Mailboxes, and Delineator Posts Cast Aluminum couplers for single or dual PSST or round pipe posts
WZ-133 NCHRP 350 MWRSF Work Zone Devices Rigid frame portable sign stand
WZ-125 NCHRP 350 Dicke Tool Work Zone Devices Remainder of Phase VI tested stands.