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-135 | NCHRP 350 | Midwest Roadside Safety Facility | Longitudinal Barriers and Bridge Rails | TL-3 timber rubrail for MnDOT noise wall | |
| WZ-208 | NCHRP 350 | POCO Incorporated | Work Zone Devices | H-Footprint Portable Sign Stand | |
| B-136 | NCHRP 350 | CYRO Industries, Inc. | Longitudinal Barriers and Bridge Rails | PARAGLAS noisewall on TL-4 concrete barrier | |
| WZ-198 | NCHRP 350 | MWRSF Three D Traffic Works | Work Zone Devices | Three D Traffic Works Barricades | |
| WZ-166#1 | NCHRP 350 | Plastic Safety Systems | Work Zone Devices | Type III Barricade | |
| WZ-207 | NCHRP 350 | TrafFix Devices | Work Zone Devices | Tri-Buster Safety Tripod | |
| WZ-206 | NCHRP 350 | TrafFix Devices | Work Zone Devices | Little Buster X-Footprint Sign | |
| CC-90 | NCHRP 350 | Safety By Design Company | Barrier Terminals and Crash Cushions | Trailer TMA | |
| WZ-205 | NCHRP 350 | Endless Visions | Work Zone Devices | J-4 Flagger's Workstation | |
| B-82B | NCHRP 350 | Hill& Smith Ltd. | Longitudinal Barriers and Bridge Rails | Brifen WRSF @ TL-4 |