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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-64 NCHRP 350 FHWA Memo to Resource Centers, etc. Longitudinal Barriers and Bridge Rails Nonproprietary Guardrails and Median Barriers
B-66 NCHRP 350 Massachusetts Highway Department Longitudinal Barriers and Bridge Rails Massachusetts Aesthetic Steel Post Bridge Rail
CC-40A NCHRP 350 Dean Sicking, Midwest Roadside Safety Facility Barrier Terminals and Crash Cushions Modified SKT-350 @ TL-2
CC-12G NCHRP 350 Texas Transportation Institute Barrier Terminals and Crash Cushions Modified Extruder Head, ET-PLUS @ TL-3
B-63 NCHRP 350 Barrier Systems, Inc. Longitudinal Barriers and Bridge Rails Quickchange Moveable Barrier (QMB)
WZ-26 NCHRP 350 Work Area Protection Coporation Work Zone Devices B-400 Drum
WZ-24 NCHRP 350 TrafFix Devices, Inc. Work Zone Devices Work Zone Traffic Control Devices
CC-62 NCHRP 350 Dale Wilken, Eastern Resource Center Barrier Terminals and Crash Cushions Vermont Low-Speed W-beam Guardrail Terminal (G1-d) @ TL-2
SS-86 NCHRP 350 Woodguard Lumber Corporation Sign Supports, Mailboxes, and Delineator Posts 89-mm polyethylene coated sign post
B-62 NCHRP 350 Gunnar Prefab AB Longitudinal Barriers and Bridge Rails GPLINK pre-cast Temporary Concrete Barrier