USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation
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-154 NCHRP 350 MWRSF - ROO GUARDS Work Zone Devices Roo Guards 36.5 inch high barricades
SS-118 NCHRP 350 HWYCOM Sign Supports, Mailboxes, and Delineator Posts Universal Anchor System Triangular slip base for Small Sign Support Installation
WZ-151 NCHRP 350 Bunzel Davidson Work Zone Devices Type III Barricade with Yeti Foot
B-118 NCHRP 350 Oregon DOT Longitudinal Barriers and Bridge Rails 3-Tube Bridge Rail @TL-4
CC-47A Energy Absorption Systems Inc. Barrier Terminals and Crash Cushions TRITON End Treatment System at TL-3 (unique application)
B-64C NCHRP 350 MwRSF - UN Longitudinal Barriers and Bridge Rails w-beam application for a 2:1 slope @ TL-3
LS-57 NCHRP 350 Akron Foundry Luminaire Supports TB1-17 breakaway cast aluminum transformer base
WZ-100#2 NCHRP 350 Korman Signs Work Zone Devices Portable Sign Stands and Type III Barricade – Added telescoping legs.
CC-12L NCHRP 350 Texas Transportation Institute Barrier Terminals and Crash Cushions Modified SYTP post for ET-series @ TL-3
WZ-152 NCHRP 350 Plastic Safety Systems Work Zone Devices Type III Barricade with ANCHOR foot