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-22 | NCHRP 350 | Work Zone Devices | Yodock 2001 m Barrier w/ T3 Apparatus | ||
| B-57 | NCHRP 350 | Aloha Plastic Recycling, Inc. | Longitudinal Barriers and Bridge Rails | Recycled Polyethylene Block | |
| B-58 | NCHRP 350 | Midwest Roadside Safety Facility | Longitudinal Barriers and Bridge Rails | Clear-span Nested W-beam Guardrail | |
| WZ-21 | NCHRP 350 | Korman Signs Inc. | Work Zone Devices | "X-Footprint" Sign Stands | |
| B-55A | NCHRP 350 | Alaska Department of Transportation | Longitudinal Barriers and Bridge Rails | Thrie-Beam Transition to AK Bridge Railing | |
| CC-12F | NCHRP 350 | Trinity Industries, Inc. | Barrier Terminals and Crash Cushions | Hinged Breakaway (HBA Steel Posts for ET-2000) @ TL-3 | |
| CC-61 | NCHRP 350 | Road Systems, Inc. | Barrier Terminals and Crash Cushions | Breakaway Steel Posts for SKT-350 and FLEAT Terminals | |
| SS-22A | NCHRP 350 | Trus Joist McMillan | Sign Supports, Mailboxes, and Delineator Posts | Reissue | |
| CC-60 | NCHRP 350 | King Mak, TTI | Barrier Terminals and Crash Cushions | Wyoming Box-Beam End Terminal (WYBET-350) @ TL-3 | |
| WZ-15 | NCHRP 350 | WLI WLI Industries, Inc. | Work Zone Devices | SafetyCade Extended Vertical Panel Barricade |