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-78A | NCHRP 350 | Eastern Metal/USA-Sign | Work Zone Devices | Model E-350 Econo Stand, Model X-842 stand, Model X-880 stand, Model X-552 stand (Replaces unissued WZ-78) | |
| WZ-73 | NCHRP 350 | TrafFix Devices, Inc. | Work Zone Devices | TrafFix Stand with single spring for rollup signs. | |
| B-85 | NCHRP 350 | Rodney A. Boyd, Trinity Industries | Longitudinal Barriers and Bridge Rails | King Recycled Composite Guardrail offset block @ TL-3 | |
| CC-46C | NCHRP 350 | Kaddo Kothmann, Road Systems Inc. | Barrier Terminals and Crash Cushions | FLEAT W-beam guardrail terminal @ TL-3 | |
| WZ-76 | NCHRP 350 | 3D Specialties | Work Zone Devices | PSST Type III barricade with crossbuck rails NOT acceptable but 8 Foot Type III Minnesota Barricade is | |
| WZ-69 | NCHRP 350 | Marketing Displays International | Work Zone Devices | Portable Sign Stands with Endurance, Alpolic, or Aluminum panel Models 4860K and 4818, Some with plywood. | |
| CC-73 | NCHRP 350 | Barry D. Stephens, P.E., Energy Absorption Systems, Inc | Barrier Terminals and Crash Cushions | REACT 350 (60") @ TL-3 | |
| CC-53A | NCHRP 350 | FHWA Regional Admin | Barrier Terminals and Crash Cushions | Buried-in-backslope w-beam terminal (1:4 foreslope) @ TL-3 | |
| B-83 | NCHRP 350 | Douglas J. Weiszhar, Minnesota DOT | Longitudinal Barriers and Bridge Rails | MN W-beam Transition @ TL-3 | |
| CC-54B | NCHRP 350 | Rodney A. Boyd, Trinity Industries, Inc. | Barrier Terminals and Crash Cushions | Trinity Attenuating Crash Cushion (TRACC) @TL-3 |