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
B-206 NCHRP 350 Louisiana DOT Longitudinal Barriers and Bridge Rails 12ft Pinned PCB
B-202 NCHRP 350 MWRSF Longitudinal Barriers and Bridge Rails Rough Stone Masonry Guardwall
WZ-288 NCHRP 350 Acme Barricades Work Zone Devices Acme 1 VP Vertical Panel Barricade
SS-163 NCHRP 350 Information Display Company Sign Supports, Mailboxes, and Delineator Posts IDC Speed Check Radar Speed Display Devices
WZ-290 NCHRP 350 SHUR-TITE Products Co. Work Zone Devices SHUR-CURB longitudinal channelizing curb
WZ-289 NCHRP 350 Panel Resource Group, Inc. Work Zone Devices Alcopla-Lite sign substrates up to 4mm thick
B-191 NCHRP 350 MWRSF Longitudinal Barriers and Bridge Rails Modified 3 cable adjacent to steep slope
CC-12Q NCHRP 350 Trinity Hwy Prod Barrier Terminals and Crash Cushions ET-Plus and ET-Plus 31 with 2 Breakaway Posts
SS-162 NCHRP 350 Rick Balboa Sign Supports, Mailboxes, and Delineator Posts Balboa 100 Traffic Warning Device
B-25A NCHRP 350 Energy Absorption Systems Longitudinal Barriers and Bridge Rails Barrier Gate median barrier closure TL-4