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-134 | NCHRP 350 | Energy Absorption Systems, Inc. | Longitudinal Barriers and Bridge Rails | Vulcan temporary steel barrier at TL-3 | |
| CC-85A | NCHRP 350 | SCI Products Incorporated | Barrier Terminals and Crash Cushions | SCI-70GM attenuator @ TL-2 | |
| WZ-189 | NCHRP 350 | TrafFix Devices | Work Zone Devices | Looper Cone, Metro A Cade, Big Buster Sign Stand, Phoenix sign stand | |
| LS-58 | NCHRP 350 | Akron Foundry | Luminaire Supports | Cast Aluminum Transformer Base | |
| WZ-033B | NCHRP 350 | Three D Traffic Works | Work Zone Devices | Type III Barricade | |
| B-132 | NCHRP 350 | Valentine & Company | Longitudinal Barriers and Bridge Rails | Aluminum truss-core F-shape Bridge Rail | |
| SS-126 | NCHRP 350 | Northwest Pipe Company | Sign Supports, Mailboxes, and Delineator Posts | Perforated Square Steel Tubes | |
| CC-64E | NCHRP 350 | ALBERT W. UNRATH, INC | Barrier Terminals and Crash Cushions | Modified U-MAD 70K TMA @TL-2 | |
| WZ-177 | NCHRP 350 | Protection Services, Incroporated | Work Zone Devices | Vertical Panel | |
| WZ-195 | NCHRP 350 | Intellistrobe | Work Zone Devices | Intellistrobe Portable Traffic Contral Signal System |