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-58 | NCHRP 350 | Buildem Barricades | Work Zone Devices | Generic Type II barricades 24 inches wide. See WZ-54 | |
| WZ-50 | NCHRP 350 | Dicke Tool | Work Zone Devices | Portable sign stands. | |
| WZ-56 | NCHRP 350 | Eastern Metal | Work Zone Devices | Various portable sign stands and a barricade. | |
| WZ-52 | NCHRP 350 | Reflexite | Work Zone Devices | Endurance Rigid Plastic Signs on Certain Portable Sign Stands | |
| WZ-53 | NCHRP 350 | Continental Safety Supply Company, Inc. | Work Zone Devices | Soft Sandwich Cone Devices | |
| WZ-54 | NCHRP 350 | FHWA Policy Memorandum | Work Zone Devices | Generic Crashworthy Barricade Designs, Drums with Warning Lights, Generic Lightweight Warning, and Lights Acceptance Letter WZ-54 | |
| WZ-45 | NCHRP 350 | FHWA Policy Memorandum | Work Zone Devices | Crashworthy Work Zone Devices as of October 1, 2000 | |
| CC-54A | NCHRP 350 | Rodney Boyd, Trinity | Barrier Terminals and Crash Cushions | Test Level 2 (TL-2) TRACC | |
| WZ-51 | NCHRP 350 | Xcessories Squared | Work Zone Devices | Type III Barricades and Sign Stands | |
| WZ-49 | NCHRP 350 | Empco-Lite | Work Zone Devices | Lighted Type I and Type II Barricades |