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-184A | NCHRP 350 | Nucor Steel Marion | Longitudinal Barriers and Bridge Rails | NU-Cable- 20 foot post spacing TL-4 | |
| B-186 | NCHRP 350 | NUCOR Steel Marion | Longitudinal Barriers and Bridge Rails | NU-Guard Posts mixed in Strong Post Guardrail TL-3 | |
| B-193 (REVISED) | NCHRP 350 | Nucor Steel Marion | Longitudinal Barriers and Bridge Rails | Nu-Cable 4 Cable System on 1V:4H TL-3 | |
| CC-105 | NCHRP 350 | Armorflex | Barrier Terminals and Crash Cushions | Armorwire ATE-4 4-cable terminal | |
| WZ-282 | NCHRP 350 | Davidson Traffic Control Products | Work Zone Devices | low profile modular curb that accepts FG 300 delineator posts | |
| WZ-281 | NCHRP 350 | MDI | Work Zone Devices | Temporary sign stand with 13.7 inch mounting height measured to bottom of sign. | |
| WZ-283 | NCHRP 350 | Econo Brother model 3200 | Work Zone Devices | Temporary sign stand with 12 inch mounting height measured to bottom of sign. | |
| B-192 | NCHRP 350 | BWW Enterprises | Longitudinal Barriers and Bridge Rails | Diamond Block TL-3 | |
| WZ-280 | NCHRP 350 | Workzone Safety Products | Work Zone Devices | Temporary sign stand with 13 inch mounting height measured to bottom of sign. | |
| WZ-278 | NCHRP 350 | Plastic Safety Systems | Work Zone Devices | Water or Sand filled Type II barricade with ADA consideration |