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-64 NCHRP 350 Albert Unrath Inc. Barrier Terminals and Crash Cushions U-MAD 100K Truck Mounted Attenuator @ TL-3
B-67 NCHRP 350 Georgia Department of Transportation Longitudinal Barriers and Bridge Rails Temporary Concrete Barrier
WZ-35 NCHRP 350 Service Signing, L.C. Work Zone Devices Traffic Control Devices
WZ-31 NCHRP 350 Cantel of Medford, Inc. Work Zone Devices EZ-UP Type III Baracade
WZ-28 NCHRP 350 Marketing Displays International Work Zone Devices Portable Sign Stands
WZ-32 NCHRP 350 Pacific Safety Supply, Inc. Work Zone Devices Safety Devices
CC-12H NCHRP 350 Trinity Industries, Inc. Barrier Terminals and Crash Cushions ET-2000 Plus Guardrail Terminal @ TL-2
WZ-29 NCHRP 350 Korman Signs Work Zone Devices Portable Sign Stands
CC-63 NCHRP 350 Dwight Horne, Director, FHWA Office of Highway Safety Infrastructure Barrier Terminals and Crash Cushions Acceptance of New York 3-Strand Cable Terminal @ TL-3
B-64 NCHRP 350 FHWA Memo to Resource Centers, etc. Longitudinal Barriers and Bridge Rails Nonproprietary Guardrails and Median Barriers