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 |
|---|---|---|---|---|---|
| WZ-54 | NCHRP 350 | FHWA Policy Memorandum | Work Zone Devices | Generic Crashworthy Barricade Designs, Drums with Warning Lights, Generic Lightweight Warning, and Lights Acceptance Letter WZ-54 | |
| WZ-53 | NCHRP 350 | Continental Safety Supply Company, Inc. | Work Zone Devices | Soft Sandwich Cone Devices | |
| WZ-45 | NCHRP 350 | FHWA Policy Memorandum | Work Zone Devices | Crashworthy Work Zone Devices as of October 1, 2000 | |
| WZ-51 | NCHRP 350 | Xcessories Squared | Work Zone Devices | Type III Barricades and Sign Stands | |
| CC-54A | NCHRP 350 | Rodney Boyd, Trinity | Barrier Terminals and Crash Cushions | Test Level 2 (TL-2) TRACC | |
| WZ-49 | NCHRP 350 | Empco-Lite | Work Zone Devices | Lighted Type I and Type II Barricades | |
| WZ-48 | NCHRP 350 | Traffic Control Products of Florida, Inc. | Work Zone Devices | Lighted Type I and Type II Barricades | |
| SS-90 | NCHRP 350 | K&K Systems, Inc. | Sign Supports, Mailboxes, and Delineator Posts | School Warning Signs with flashing lights, battery, solar panel and Marion Slip-Safe system. | |
| B-71 | NCHRP 350 | James W. Havens, Millennium Plastic Wood, LLC | Longitudinal Barriers and Bridge Rails | Recycled Plastic Offset Block | |
| SS-88 | NCHRP 350 | Poz-Loc Traffic Systems; Northwest Pipe Company | Sign Supports, Mailboxes, and Delineator Posts | Single and Dual Slip base system for square tube supports |