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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
B-106 NCHRP 350 Caltrans Longitudinal Barriers and Bridge Rails Thrie-beam transition @TL-4
CC-80 NCHRP 350 Energy Absorption Systems, Inc. Barrier Terminals and Crash Cushions REGENT-C W-beam guardrail terminal @ TL-3
CC-54D NCHRP 350 Trinity Highway Safety Products Division Barrier Terminals and Crash Cushions Wide-TRACC @ TL-3
B-96 NCHRP 350 Marion Steel Company Longitudinal Barriers and Bridge Rails posts/attachment hardware for 3-strand cable g.r.@TL-3
CC-81 NCHRP 350 TRINITY Industries Barrier Terminals and Crash Cushions CPSI side- impact enhancement for ET seriesl
CC-76 NCHRP 350 Texas Transportation Institute Barrier Terminals and Crash Cushions 3-strand cable guardrail terminal @ TL-3
B-85B NCHRP 350 TRINITY Industries Longitudinal Barriers and Bridge Rails Modification to KING block
CC-12K NCHRP 350 TRINITY Industries Barrier Terminals and Crash Cushions Alternative post design for ET series
B-29D NCHRP 350 RAMCO International Longitudinal Barriers and Bridge Rails Modification to Polylumber block
SS-109 NCHRP 350 Prairie Proto Products Sign Supports, Mailboxes, and Delineator Posts Swing-away Mailbox Support and Delineators