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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
CC-64D NCHRP 350 Albert W. Unrath, Inc. Barrier Terminals and Crash Cushions Optional TL-3 tests for the U-MAD 100K TMA
CC-83 NCHRP 350 Energy Absorption Systems, Inc. Barrier Terminals and Crash Cushions TL-1 Ls-PRO TMA
CC-78A NCHRP 350 Energy Absorption Systems, Inc. Barrier Terminals and Crash Cushions Designs changes & optional TL-3 tests for Safe Stop 180
SS-17C NCHRP 350 Transpo Industries, Inc. Sign Supports, Mailboxes, and Delineator Posts Type A Break Safe System sign support system
WZ-100#3 NCHRP 350 Korman Signs Work Zone Devices Additional substrates, additional heights to previously accepted stands.
WZ-156 NCHRP 350 Lang Products Work Zone Devices Acceptance of LTT-1 sign with flasher (?) and alum, sign
B-113 NCHRP 350 REMCON Plastics Incorporated Longitudinal Barriers and Bridge Rails Water-filled Longitudinal Barrier @ TL-2
B-80C NCHRP 350 HALCO, LLC Longitudinal Barriers and Bridge Rails X44 tubular steel gr post @ TL-3
WZ-41#1 NCHRP 350 United Rentals Work Zone Devices Type II Barricades solid polyethylene panels 0.350 inch thick
WZ-33A NCHRP 350 3D Traffic Works Work Zone Devices Type III Barricades Change Designation to TD2100