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-07 NCHRP 350 Eastern Metal Work Zone Devices X-550 and C-102 Portable Sign Stands with plastic/fabric signs.
WZ-06 NCHRP 350 Bent Manufacturing Work Zone Devices Type II plywood or plastic panel barricade*;
Universal Plastic panel barricade*;
T-Top vertical panel*;
Superdome plastic drum*;
Type III Barricade*;
Masterflex Post (a vertical panel);
T-Top Delineator*; [* these devices may have a lightweight warning light attached]
CC-55 NCHRP 350 B&B Electromatic Barrier Terminals and Crash Cushions VT6802 Traffic Gate @ TL-2
CC-54 NCHRP 350 Don Johnson, Syro,Inc Barrier Terminals and Crash Cushions Trinity Attenuating Crash Cushion (TRACC) @ TL-3
CC-12E NCHRP 350 Barrier Terminals and Crash Cushions Design modification - rail element length @ TL-3
CC-20A NCHRP 350 Ren-Gard 815 Barrier Terminals and Crash Cushions NCHRP Report 350 acceptance @ TL-2
CC-46A NCHRP 350 Road Systems, Inc. Barrier Terminals and Crash Cushions FLEAT w/ variable offset (762 mm to 1219 mm) @ TL-3
B-34C NCHRP 350 Safety Barrier Systems Longitudinal Barriers and Bridge Rails ROADGUARD - Name change from Guardian Safety Barrier
CC-26G NCHRP 350 Safety Quest, Inc. Barrier Terminals and Crash Cushions Alternative Rear Anchor Design
SS-80 NCHRP 350 Dottie Aberlie USAberlie Sign Supports, Mailboxes, and Delineator Posts USAberlie Post Exchanger alum.base for 4x4 wood posts and 64-mm perf. square steel tubes in strong soil