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-65 | NCHRP 350 | American Fence | Work Zone Devices | Rubber Ballast for Type III Barricade | |
| WZ-64 | NCHRP 350 | Sierra Safety | Work Zone Devices | "Quick Stand" Temporary Ground Mount Sign Supports | |
| B-34D | NCHRP 350 | Sam Arnold, Guardian Safety Barrier | Longitudinal Barriers and Bridge Rails | Clarification of Guardian Status | |
| SS-68F | NCHRP 350 | Xcessories Squared | Sign Supports, Mailboxes, and Delineator Posts | Modification to 3-bolt base | |
| WZ-55 | NCHRP 350 | Craig Mittlestadt, Minnesota DOT | Work Zone Devices | Type III Barricade perforated square steel tube. Type III Barricade with sign (no lights on either) | |
| CC-72 | NCHRP 350 | Rodney A. Boyd, Trinity Industries, Inc. | Barrier Terminals and Crash Cushions | Straight Flare Slotted Rail Terminal (SRT) @ TL-3 | |
| B-79 | NCHRP 350 | Gary L. Hoffman, Pennsylvania DOT | Longitudinal Barriers and Bridge Rails | 12.5' F-shape temporary barrier (w/ plate connection) @ TL-3 | |
| WZ-61 | NCHRP 350 | Plastic Safety Systems | Work Zone Devices | Type III Plastic Barricade "PSS-1" | |
| CC-65A | NCHRP 350 | Dave Gertz, TrafFix Devices, Inc. | Barrier Terminals and Crash Cushions | Design change (to steel diagrams and hinges) | |
| B-52A | NCHRP 350 | Easi-Set Industries | Longitudinal Barriers and Bridge Rails | 20 ft segments |