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 |
|---|---|---|---|---|---|
| CC-42B | NCHRP 350 | Energy Absorption, Inc. | Barrier Terminals and Crash Cushions | QuadGuard Wide – 70mph system | |
| B-180 | NCHRP 350 | MWRSF | Longitudinal Barriers and Bridge Rails | CMB Tiedowns and Transitions | |
| B-134D | NCHRP 350 | Energy Absorption, Inc. | Longitudinal Barriers and Bridge Rails | TL-4 Vulcan | |
| WZ-273 | NCHRP 350 | Bob's Barricades | Work Zone Devices | Type I Barricade with sign | |
| B-181 | NCHRP 350 | Western Federal Lands | Longitudinal Barriers and Bridge Rails | Random Rubble Cavity Wall -- Aesthetic Barrier | |
| B-134C (2008) | NCHRP 350 | Energy Absorption Systems, Inc. | Longitudinal Barriers and Bridge Rails | (2008) 12M Vulcan Barrier and Vulcan Barrier Anchor System | |
| B-146 | NCHRP 350 | New England Transp. Consort. | Longitudinal Barriers and Bridge Rails | Transitions for 3 NETC bridge rails | |
| B-150B | NCHRP 350 | Gregory Highway Products | Longitudinal Barriers and Bridge Rails | GMS Barrier with 12 ft 6 inch post spacing | |
| B-179 | NCHRP 350 | Energy Absorption, Inc | Longitudinal Barriers and Bridge Rails | TL-1 Triton Water Filled Barrier | |
| B-175 | NCHRP 350 | MWRSF | Longitudinal Barriers and Bridge Rails | MGS with round DougFir, PonderosaPine, SYPine |