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-130 | NCHRP 350 | TrafFix Devices, Inc | Longitudinal Barriers and Bridge Rails | TrafFix Water Wall water-filled plastic barrier @ TL-1 | |
| B-131 | NCHRP 350 | Barrier Systems, Inc. | Longitudinal Barriers and Bridge Rails | BarrierGuard 800 temporary steel barrier @ TL-4 | |
| WZ-100#5 | NCHRP 350 | Korman Signs | Work Zone Devices | Model WBT2 Type I or Type II Barricades, X-footprint sign stand | |
| WZ-193 | NCHRP 350 | Davidson Traffic Control Products | Work Zone Devices | FG300 Curb System | |
| B-129 | NCHRP 350 | Barriers USA, Inc. | Longitudinal Barriers and Bridge Rails | Guardliner water-filled plastic barrier w/W-beam @ TL-2 | |
| CC-35G | NCHRP 350 | Trinity Highway Products | Barrier Terminals and Crash Cushions | QuadGuard Attenuator with Driven Pike Anchors | |
| WZ-161 | NCHRP 350 | FHWA memo | Work Zone Devices | Trailer Mounted Work Zone Devices (Category IV) and Grandfathering of older WZ devices (Category II) | |
| Wz-180 | NCHRP 350 | Bunzl Extrusion Tacoma | Work Zone Devices | Parade-style Type I and Type II barricades | |
| WZ-181 | NCHRP 350 | Bunzl Extrusion Tacoma | Work Zone Devices | T3B TM Type III Barricade | |
| WZ-158 | NCHRP 350 | Bunzl Extrusion Tacoma | Work Zone Devices | T3B Type III Barricades using 14 Gage perforated square steel tube framing material and 12 foot extruded plastic panels |