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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
B-167 NCHRP 350 Nucor Steel Longitudinal Barriers and Bridge Rails Four-cable Nucor Wire Rope Barrier System TL-4
B-169 NCHRP 350 Easi-Set Industries Longitudinal Barriers and Bridge Rails JJ Hooks on 20 ft Kentucky CMB
WZ-269 NCHRP 350 Eastern Metal / USA Sign Work Zone Devices X-840 series sign stand, at 7 ft mounting height
WZ-266 NCHRP 350 Pennsylvania DOT Work Zone Devices Portable sign stands X and H bases
WZ-264 NCHRP 350 Traffic Safety Service Work Zone Devices Copy of the device accepted in WZ-102. Type I and Type II barricades with and without lights.
B-137C (HSSD) NCHRP 350 Gibraltar Longitudinal Barriers and Bridge Rails Revised anchor design (4 archors)
CC-96SKT NCHRP 350 Gregory Highway Products Barrier Terminals and Crash Cushions GMS-WB 31”, mini spacer guardrail system
B-166 NCHRP 350 Anro Products Inc. Longitudinal Barriers and Bridge Rails Omni products, guardrail plastic spacer block
WZ-265 NCHRP 350 Signtex Work Zone Devices Aluminum Laminate substrate (3 mm)
SS-157 NCHRP 350 Addresses of Distinction Sign Supports, Mailboxes, and Delineator Posts Aluminum tube, alloy 6063-T52, diameters 2.375 and 2.875 inches. References SS-28.