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 |
|---|---|---|---|---|---|
| SS-125 | NCHRP 350 | Friend Innovations | Sign Supports, Mailboxes, and Delineator Posts | Breakaway mailbox support | |
| WZ-182 | NCHRP 350 | Korman Signs | Work Zone Devices | Alpolic R 350 sign substrate on Dick Tool Model No. QFV60 sign stands | |
| WZ-190 | NCHRP 350 | Plastic Safety Systems | Work Zone Devices | Anchor Sign Stand | |
| Wz-186 | NCHRP 350 | Eastern Molding International | Work Zone Devices | 42 inch Tall Channelizer Cones with Warning Lights | |
| LS-57r | NCHRP 350 | Akron Foundry | Luminaire Supports | TB1-17 breakaway cast aluminum transformer base | |
| CC-69D | NCHRP 350 | Road Systems, Inc. | Barrier Terminals and Crash Cushions | Concrete-mounted BEAT SS-Crash Cushion | |
| WZ-185 | NCHRP 350 | Cortina Safety Products Group | Work Zone Devices | M-Cade Plastic Type I and Type II Barricades | |
| WZ-187 | NCHRP 350 | Three Rivers Barricade | Work Zone Devices | KMAC Portable Sign Stands | |
| CC-40B | NCHRP 350 | Road Systems, Inc. | Barrier Terminals and Crash Cushions | SKT-LT @ TL-3 | |
| B-69A | NCHRP 350 | Barrier Systems, Incorporated | Longitudinal Barriers and Bridge Rails | Curved RTS-QMB application |