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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-16 NCHRP 350 Bent Manufacturing Work Zone Devices ULTRA vertical panel with light
CC-51A NCHRP 350 King Mak, TTI Barrier Terminals and Crash Cushions Improved Slotted Rail Terminal (ISRT-4) @ TL-3
WZ-13 NCHRP 350 Eastern Metal/ USA Sign Work Zone Devices Melba Barricade: Large Vertical Panel Assemblies, Type I Barricades, Type II Barricades, Eastern Metal: Super Flex Compact Sign Stands, Interstate Sign Stands, Compact Non-Flexing Aluminum Sign Stands
WZ-14 NCHRP 350 Plasticade Products Work Zone Devices Fibercade, Plasticade, and Plasticade Sign Stand
B-47A NCHRP 350 Midwest Roadside Safety Facility Longitudinal Barriers and Bridge Rails Conditional Acceptance of Attachment to Vertical Wall
WZ-12 NCHRP 350 Flasher Handling Work Zone Devices Air Flow Roll Up Sign Unit, Bantam II portable sign, Polypropylene sign Panels on Drums
CC-46B NCHRP 350 Road Systems, Inc. Barrier Terminals and Crash Cushions Modified FLEAT - test level 2 (TL-2) design
B-54 NCHRP 350 Roberto Fonseca-Martinez Longitudinal Barriers and Bridge Rails Virginia DOT (VDOT) temp.conc.barrier (F-shape)
B-53 NCHRP 350 Rich Peter, Caltrans Longitudinal Barriers and Bridge Rails Type 80SW Bridge Rail
Type 80 Bridge Rail
B-55 NCHRP 350 Steven Bradford, AK DOT & PF Longitudinal Barriers and Bridge Rails Multi-State bridge rail (2-tube on curb) Alaska