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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
CC-10 NCHRP 350 Energy Absorption Systems, Inc Barrier Terminals and Crash Cushions SENTRE guardrail terminal (Operational)
SS-09A NCHRP 350 Franklin Steel Sign Supports, Mailboxes, and Delineator Posts Specify steel as ASTM A499-81, Grade 60
CC-09 NCHRP 350 Connecticut DOT Barrier Terminals and Crash Cushions Narrow Connecticut Impact Attenuation System (NCIAS) (Experimental)
LS-06 NCHRP 350 Shakespeare Products Luminaire Supports Direct Burial Fiberglass Light Poles Series BH20, BH24, BH30, BH35, BS30, BS35, BX30, BX35, BA41, BA47, BB30, BB35, BB41, BB47, BC30, BC35, BC41, BC47
SS-08 NCHRP 350 Unistrut Corp. Sign Supports, Mailboxes, and Delineator Posts TELESPAR small sign supports max size 2 ½ x 2 ½ in. x 12 ga.
B-06 NCHRP 350 Delta Design and Development Longitudinal Barriers and Bridge Rails Tri-D Breakaway Delineator Post (Operational)
SS-09 NCHRP 350 Franklin Steel Sign Supports, Mailboxes, and Delineator Posts EZE-Erect Sign Posts - max 4.0 lb/ft flanged posts
LS-05 NCHRP 350 Hapco Division Luminaire Supports Impact Safety Coupling 67238
B-05 NCHRP 350 L.B.Foster Co Longitudinal Barriers and Bridge Rails Precast Concrete Bridge Railing (NJ shape) Anchoring System (Operational)
B-04 NCHRP 350 Michigan D.O.T Longitudinal Barriers and Bridge Rails Timber Guardrail Posts Specification (Oper.)