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-157 | NCHRP 350 | Trinity Highway Products | Longitudinal Barriers and Bridge Rails | CASS TL-4 Cable Barrier system & terminal | |
| WZ-232 | NCHRP 350 | Davidson Plastics Corp | Work Zone Devices | X-Tube on a 40# Portable Rubber Base | |
| WZ-231 | NCHRP 350 | Davidson Plastics Corp | Work Zone Devices | FG 300 EFX Channelizer on low profile rubber base | |
| WZ-254 | NCHRP 350 | Alucobest | Work Zone Devices | Aluminum laminate substrate -- 2 mm and 3 mm | |
| CC-98 | NCHRP 350 | Armorflex | Barrier Terminals and Crash Cushions | Armorwire Terminal End for cable barriers | |
| SS-134A | NCHRP 350 | Xcessories Squared | Sign Supports, Mailboxes, and Delineator Posts | Addendum that modifies the slip base receiver | |
| SS-147 | NCHRP 350 | Wright County, MN | Sign Supports, Mailboxes, and Delineator Posts | Generic U-channel sign post attached to PSST sign support. | |
| LS-60 | NCHRP 350 | Seco Signal Equipment Co. | Luminaire Supports | Seco South System designed to safely disconnect and de-energize power supply. | |
| WZ-227 | NCHRP 350 | Davidson Plastics Corp | Work Zone Devices | FG 300 post mounted to Qwik Curb | |
| B-156 | NCHRP 350 | Gregory Industries Inc. | Longitudinal Barriers and Bridge Rails | GMS-TB Guardrail System |