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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-77 NCHRP 350 Connecticut DOT Barrier Terminals and Crash Cushions Non-proprietary steel cylinder crash cushion @ TL-3
WZ-112 NCHRP 350 Camsco Service, Inc. Work Zone Devices A-Frame metal legged barricade with light
B-39A NCHRP 350 Mondo Polymer Technologies Longitudinal Barriers and Bridge Rails Modified Polymer Offset Block
B-97 NCHRP 350 Yodock Wall Company, Inc. Longitudinal Barriers and Bridge Rails Yodock Model 2001M/2001 Plastic Barriers w/ steel tubes @ TL-2/TL-3
WZ-110 NCHRP 350 Impact Recovery Systems, Inc. Work Zone Devices Type III Barricade Roll Up Sign Stand
SS-105 NCHRP 350 Metro Sign Sign Supports, Mailboxes, and Delineator Posts 2 inch square aluminum post on u-channel stub
WZ-111 NCHRP 350 Bonnie's Barricades Work Zone Devices A-Frame Vertical panel, per Generic Type II specs
SS-106 NCHRP 350 Trinity Industries Sign Supports, Mailboxes, and Delineator Posts Dent Bolt Two Slip Base posts in seven foot path
B-45B NCHRP 350 California DOT Longitudinal Barriers and Bridge Rails Single-Slope Fabricated Steel Bridge Rail @ TL-4
WZ-103A NCHRP 350 Eastern Metal/USA Sign Work Zone Devices Additional signs on tested stands [Supercedes, not supplements, WZ-103, dated 1-1-2001]