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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
LS-61 NCHRP 350 Akron Foundry Luminaire Supports TB-9 Breakaway Cast Aluminum Transformer Base
LS-63 NCHRP 350 Akron Foundry Luminaire Supports F-1300 Breakaway Cast Aluminum Transformer Base
WZ-247 NCHRP 350 Cortina Safety Products Group Work Zone Devices PlastX Parade Style Barricade Systems
LS-62 NCHRP 350 Akron Foundry Luminaire Supports CS-300 Breakaway Cast Aluminum Transformer Base
SS-143 NCHRP 350 Carmanah Technologies Sign Supports, Mailboxes, and Delineator Posts Ground mounted sign support
WZ-245 NCHRP 350 FHWA MEMO TO FIELD Work Zone Devices CRASH TESTING for CATEGORY IV TRAILER MOUNTED DEVICES
WZ-106A NCHRP 350 Yodock Work Zone Devices Energy Displacement cell channelizer
B-151 NCHRP 350 Wyoming DOT Longitudinal Barriers and Bridge Rails W-beam to thrie beam transitions
to thrie beam transitions
WZ-246 NCHRP 350 Energy Absortion Systems, Inc. Work Zone Devices RubberTough 360 Vert. Panel
B-137A1 NCHRP 350 Gibraltar Longitudinal Barriers and Bridge Rails 4-cable barrier @ TL-4