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-127 | NCHRP 350 | NYSDOT | Longitudinal Barriers and Bridge Rails | TL-4 box-beam transition designs | |
| CC-12M | NCHRP 350 | Texas Transportation Institute | Barrier Terminals and Crash Cushions | Alternative Post Designs for TL-2 ET | |
| B-88B | NCHRP 350 | Blue Systems AB | Longitudinal Barriers and Bridge Rails | Alternative post spacing/embedment design | |
| CC-75C | NCHRP 350 | Barrier Systems, Incorporated | Barrier Terminals and Crash Cushions | Alternative TAUl-II backup/anchor design | |
| WZ-178 | NCHRP 350 | MWRSF/RooGuards | Work Zone Devices | Longitudinal Channelizing Barricade (LCB) | |
| CC-61B | NCHRP 350 | Nebraska Dept. of Roads | Barrier Terminals and Crash Cushions | 2-bolt breakaway post design for SKT-350 and FLEAT | |
| CC-61C | NCHRP 350 | Midwest Roadside Safety Facility | Barrier Terminals and Crash Cushions | Single-bolt post for FLEAT/SKT terminals | |
| SS-123 | NCHRP 350 | Designovations, Inc. | Sign Supports, Mailboxes, and Delineator Posts | Breakaway system for fiberglass square tube sign | |
| SS-120 | NCHRP 350 | Designovations, Inc. | Sign Supports, Mailboxes, and Delineator Posts | Breakaway system for perforated square steel tube sign posts | |
| SS-124 | NCHRP 350 | Ultimate Highway Products, Inc. | Sign Supports, Mailboxes, and Delineator Posts | Slip-Mate |