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-238 | NCHRP 350 | Work Area Protection | Work Zone Devices | WZS12, WZS12-S, WZX60-SL | |
| SS-138 | NCHRP 350 | Special Lite Products Company | Sign Supports, Mailboxes, and Delineator Posts | Smooth Wall Aluminum Poles | |
| SS-137 | NCHRP 350 | Brandon Industries | Sign Supports, Mailboxes, and Delineator Posts | Decorative Sign Supports | |
| CC-59B | NCHRP 350 | Energy Absorption Systems, Incorporated | Barrier Terminals and Crash Cushions | "Tailgate" mount for SafeStop TMA | |
| B-148 | NCHRP 350 | Trinity | Longitudinal Barriers and Bridge Rails | T-39 Thrie-beam guardrail @ TL-4 | |
| CC-64G | NCHRP 350 | Impact Absortion, Inc | Barrier Terminals and Crash Cushions | UMAD TMA modification | |
| B-149 | NCHRP 350 | Battelle Memorial Institute | Longitudinal Barriers and Bridge Rails | 50-inch tall NJ barrier @ TL-3 | |
| B-82B1 | NCHRP 350 | Brifen | Longitudinal Barriers and Bridge Rails | Brifen WRSF on 1V:4H slope | |
| SS-134 | NCHRP 350 | Xcessories Squared | Sign Supports, Mailboxes, and Delineator Posts | "Redi-Torque" Model 280 Hardware Kit | |
| WZ-239 | NCHRP 350 | Quality Restoration Services | Work Zone Devices | QRS Vertical Sign Stand |