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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 Sort ascending Testing Manufacturer Hardware Type Device Description
B-41 NCHRP 350 D. Sicking, U of NebraskA Longitudinal Barriers and Bridge Rails Temporary cmb - F shape w/ pin & loop conn.
SS-68B NCHRP 350 X-Cessories Squared Sign Supports, Mailboxes, and Delineator Posts Slip Base for Retrofit Square Steel Tube Posts
CC-26F NCHRP 350 Barrier Terminals and Crash Cushions Removed CC-26F restrictions on use at certain sites
B-40 NCHRP 350 J. Duckett, Barrier Systems Longitudinal Barriers and Bridge Rails Narrow QuickChange Moveable Barrier
CC-42 NCHRP 350 Energy Absorption Barrier Terminals and Crash Cushions QUADGUARD-WIDE system @ TL-3
SS-77 NCHRP 350 Chicago Heights Steel Sign Supports, Mailboxes, and Delineator Posts "Eze-erect" type breakaway system using Gr 9 bolts.
CC-26E NCHRP 350 Barrier Terminals and Crash Cushions REACT 350 CZ - with restrictions @ TL-3
SS-65A NCHRP 350 Southwestern Pipe Sign Supports, Mailboxes, and Delineator Posts Poz-Loc slip base and Yielding Anchor System in weak soil
SS-60B NCHRP 350 Clifford Dent Sign Supports, Mailboxes, and Delineator Posts Additional bolt designs
CC-41 NCHRP 350 Energy Absorption Barrier Terminals and Crash Cushions Brakemaster terminal/crash cushion @ TL-3