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 |
|---|---|---|---|---|---|
| SS-143 | NCHRP 350 | Carmanah Technologies | Sign Supports, Mailboxes, and Delineator Posts | Ground mounted sign support | |
| WZ-245 | NCHRP 350 | FHWA MEMO TO FIELD | Work Zone Devices | CRASH TESTING for CATEGORY IV TRAILER MOUNTED DEVICES | |
| B-151 | NCHRP 350 | Wyoming DOT | Longitudinal Barriers and Bridge Rails | W-beam to thrie beam transitions to thrie beam transitions |
|
| WZ-106A | NCHRP 350 | Yodock | Work Zone Devices | Energy Displacement cell channelizer | |
| WZ-246 | NCHRP 350 | Energy Absortion Systems, Inc. | Work Zone Devices | RubberTough 360 Vert. Panel | |
| CC-87B | NCHRP 350 | Energy Absorption Systems, Inc. | Barrier Terminals and Crash Cushions | QUEST 70/100 system | |
| B-150 | NCHRP 350 | Gregory Highway Products | Longitudinal Barriers and Bridge Rails | Gregory Mini-Spacer (GMS) W-beam Guardrail | |
| B-137A1 | NCHRP 350 | Gibraltar | Longitudinal Barriers and Bridge Rails | 4-cable barrier @ TL-4 | |
| CC-90A | NCHRP 350 | Safety By Design Co. | Barrier Terminals and Crash Cushions | Optional TL-3 tests for trailer TMA | |
| WZ-240 | NCHRP 350 | Generic FHWA Memo | Work Zone Devices | NA |