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-134 | NCHRP 350 | NYS DOT | Work Zone Devices | Temporary Lumber Sign Support | |
| WZ-145 | NCHRP 350 | PMG Limited | Work Zone Devices | Plastic Type I and II barricades and Vertical Panels | |
| WZ-140 | NCHRP 350 | IRS | Work Zone Devices | Vertical Panel with Light and Directional Indicator | |
| SS-119 | NCHRP 350 | Northwest Pipe Company | Sign Supports, Mailboxes, and Delineator Posts | Square Slipbase, PozLoc in weak soil, and Pozloc Mailbox | |
| WZ-142 | NCHRP 350 | RTM, LLC | Work Zone Devices | Weight Strip for Barricades | |
| WZ-138 | NCHRP 350 | MDI | Work Zone Devices | 4884 Breakaway Portable Sign Stand | |
| B-82A | NCHRP 350 | BRIFEN USA, Inc | Longitudinal Barriers and Bridge Rails | Rescinded "Buy America" provision | |
| B-111 | NCHRP 350 | Creative Building Products | Longitudinal Barriers and Bridge Rails | Water Filled Plastic Barrier @ TL-2 | |
| WZ-136 | NCHRP 350 | United Rentals | Work Zone Devices | Type III Barricade with solid Plastic Rails | |
| WZ-139 | NCHRP 350 | Roadmarker Co | Work Zone Devices | Roadmarker Multipurpose Barricade |