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
CC-66C NCHRP 350 Lindsay Transportation Solutions Barrier Terminals and Crash Cushions ABSORB 350 with modified connection rod
WZ-114A NCHRP 350 MDI Worldwide Work Zone Devices 5012 Sign Stands
WZ-320A NCHRP 350 MDI Worldwide Work Zone Devices 5012 Sign Stands with Post Tube Mast
CC-92B NCHRP 350 Gibraltar Barrier Terminals and Crash Cushions Modified Gibraltar Driven Cable Terminal
WZ-20A NCHRP 350 MDI Worldwide Work Zone Devices 40CAM Sign Stands
CC-12T NCHRP 350 Trinity Highway Products Barrier Terminals and Crash Cushions ET-Plus Modification
WZ-281B NCHRP 350 MDI Worldwide Work Zone Devices 30TRI Tripod sign stand
SS-164A NCHRP 350 POZ-LOC® Slip Base System with Torque Separation Nut Fastener Sign Supports, Mailboxes, and Delineator Posts Fastener Optional Fastening System
WZ-281A NCHRP 350 MDI Worldwide Work Zone Devices 50TRI Tripod sign stand
B-201A NCHRP 350 Trinity Longitudinal Barriers and Bridge Rails Vulcan® Gate Modification