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-126 | NCHRP 350 | Nebraska Department of Roads | Longitudinal Barriers and Bridge Rails | Concrete Post & Beam Railing @ TL-4 | |
| WZ-176 | NCHRP 350 | Impact Recovery Systems | Work Zone Devices | Vertical panel and directional indicator barricade with the Empco-Lite Y2K light | |
| WZ-179 | NCHRP 350 | Davidson Traffic Control Products | Work Zone Devices | T3B Plastic Type III Barricades | |
| B-125 | NCHRP 350 | Safety Barriers, Inc. | Longitudinal Barriers and Bridge Rails | SB-1-TL water-filled barrier @ TL-3 | |
| WZ-175 | NCHRP 350 | Bonnies Barricades | Work Zone Devices | Type II barricades as crashworthy traffic control devices | |
| B-109B | NCHRP 350 | Burkett Molding, Inc. | Longitudinal Barriers and Bridge Rails | Modified plastic block (P-Block) for use w/ strong post guardrail | |
| B-123 | NCHRP 350 | Composite Structural Design, LLC | Longitudinal Barriers and Bridge Rails | Temporary steel bridge rail @ TL-5 | |
| B-64B | NCHRP 350 | Longitudinal Barriers and Bridge Rails | guardrail posts in rock or mowing strips | ||
| WZ-171 | NCHRP 350 | Remcon Plastics | Work Zone Devices | Type I and Type II Barricades | |
| WZ-77 | NCHRP 350 | Bunzl Extrusion Tacoma Inc. | Work Zone Devices | T3B Plastic Type III Barricades as crashworthy Trafic control device for use in work zones on the National Highway System |