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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
B-162B NCHRP 350 NUCOR MARION Steel Longitudinal Barriers and Bridge Rails N/A
B-176 NCHRP 350 Hill and Smith Longitudinal Barriers and Bridge Rails Zonguard portable steel barrier
WZ-244 NCHRP 350 Plastic Safety Systems Work Zone Devices Updates to previously issued acceptance letters
B-165 NCHRP 350 Malcolm H. Ray Longitudinal Barriers and Bridge Rails MDS-4 and MDS-5 Steel Barriers
CC-101 NCHRP 350 Texas Transportation Institute Barrier Terminals and Crash Cushions 27-inch high Steel Post Slotted Rail Terminal (SRT-27SP)
CC-88A NCHRP 350 MWRSF Barrier Terminals and Crash Cushions SKT & FLEAT with wood posts
LS-67 NCHRP 350 Dynamic Lighting Systems Luminaire Supports Dynamic Lighting decorative poles and ground stub
WZ-271 NCHRP 350 Three D Traffic Works Work Zone Devices Ringtop Slim-Line Channelizer, and Universal Vertical Panel :TD 7500 and TD 6500
WZ-270 NCHRP 350 GRIMCO Work Zone Devices Max-metal : 3 and 4mm substrates
WZ-272 NCHRP 350 Telematics Services Work Zone Devices i-Cone Intelligent Traffic Beacon is a set of electronic modules sealed in a traffic drum including a battery.