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-29B NCHRP 350 RAMCO Longitudinal Barriers and Bridge Rails Polylumber Blockouts on Steel Post W-beam
LS-43 NCHRP 350 P&K Pole Products Luminaire Supports SB-2g Cast Al. Shoe Base for Slotted Al. Shaft, 12" BC
LS-41 NCHRP 350 P&K Pole Products Luminaire Supports TB-2A Cast Aluminum Transformer Base, 15" BC
LS-42 NCHRP 350 P&K Pole Products Luminaire Supports SB-3G Cast Aluminum Call Box Base, 8.5" BC
LS-39 NCHRP 350 P&K Pole Products Luminaire Supports BA-3 Cast Al. Breakaway Base for 10" Poles, 15" BC
LS-40 NCHRP 350 P&K Pole Products Luminaire Supports TB-2CBA Cast Al.Transformer Base for 10" Poles, 15" BC
CC-23A NCHRP 350 Barrier Terminals and Crash Cushions BEST modifications to reduce cost
CC-12C NCHRP 350 Barrier Terminals and Crash Cushions NCHRP 350 ACCEPTANCE @ TL-3
CC-26B NCHRP 350 Barrier Terminals and Crash Cushions Variable speed designs of REACT 350
LS-38 NCHRP 350 Component Products Luminaire Supports CPI-BAS-1 Cast Al. Breakaway Base for signals, 14" BC