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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
SS-144 NCHRP 350 ARC Technologies Sign Supports, Mailboxes, and Delineator Posts Precast Mailbox
B-153 NCHRP 350 David Hubbell Longitudinal Barriers and Bridge Rails Aesthetic weak-post timber rail
CC-86B NCHRP 350 BRIFEN USA, Inc Barrier Terminals and Crash Cushions WRSF Modified (flared) TL-3/TL-4 terminal
WZ-197#1 NCHRP 350 Traffic Safety Service Work Zone Devices Type III Barricades
CC-93A NCHRP 350 Safence Barrier Terminals and Crash Cushions Wire Rope Terminal @ TL-3/TL-4
B-88D NCHRP 350 Safence Longitudinal Barriers and Bridge Rails 3-strand wire rope @ TL-4
LS-61 NCHRP 350 Akron Foundry Luminaire Supports TB-9 Breakaway Cast Aluminum Transformer Base
WZ-247 NCHRP 350 Cortina Safety Products Group Work Zone Devices PlastX Parade Style Barricade Systems
LS-63 NCHRP 350 Akron Foundry Luminaire Supports F-1300 Breakaway Cast Aluminum Transformer Base
LS-62 NCHRP 350 Akron Foundry Luminaire Supports CS-300 Breakaway Cast Aluminum Transformer Base