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 Testing Manufacturer Hardware Type Device Description
LS-74 NCHRP 350 HAPCO Luminaire Supports Various breakaway bases and decorative covers for lighting and luminaire support posts as described below
WZ-307 NCHRP 350 Dicke Safety Work Zone Devices TF-60 with Light
WZ-308 NCHRP 350 Plasticade Work Zone Devices Econocade Barricade
WZ-306 NCHRP 350 Dicke Safety Work Zone Devices SFS2000W Portable Sign Stand
CC-120 NCHRP 350 Armorflex Barrier Terminals and Crash Cushions X-LITE Terminal
CC-118 NCHRP 350 USR Barrier Terminals and Crash Cushions TL-3 Expeditionary Mobile Barrier
B-223 NCHRP 350 Armorflex Longitudinal Barriers and Bridge Rails TL-2 Armorzone Plastic Barrier and Terminal
CC-119 NCHRP 350 ArmorFlex Barrier Terminals and Crash Cushions TL-2 Armorzone Barrier and Terminal
CC-103A NCHRP 350 Barrier Systems Barrier Terminals and Crash Cushions TL-3 U-Mad TMA with Sign Board
CC-102A NCHRP 350 Barrier Systems Barrier Terminals and Crash Cushions TL-3 X-Tension Terminal