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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-185 NCHRP 350 Cortina Safety Products Group Work Zone Devices M-Cade Plastic Type I and Type II Barricades
WZ-187 NCHRP 350 Three Rivers Barricade Work Zone Devices KMAC Portable Sign Stands
CC-40B NCHRP 350 Road Systems, Inc. Barrier Terminals and Crash Cushions SKT-LT @ TL-3
B-69A NCHRP 350 Barrier Systems, Incorporated Longitudinal Barriers and Bridge Rails Curved RTS-QMB application
B-127 NCHRP 350 NYSDOT Longitudinal Barriers and Bridge Rails TL-4 box-beam transition designs
CC-12M NCHRP 350 Texas Transportation Institute Barrier Terminals and Crash Cushions Alternative Post Designs for TL-2 ET
B-88B NCHRP 350 Blue Systems AB Longitudinal Barriers and Bridge Rails Alternative post spacing/embedment design
CC-75C NCHRP 350 Barrier Systems, Incorporated Barrier Terminals and Crash Cushions Alternative TAUl-II backup/anchor design
WZ-178 NCHRP 350 MWRSF/RooGuards Work Zone Devices Longitudinal Channelizing Barricade (LCB)
CC-61B NCHRP 350 Nebraska Dept. of Roads Barrier Terminals and Crash Cushions 2-bolt breakaway post design for SKT-350 and FLEAT