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 |
|---|---|---|---|---|---|
| WZ-28 | NCHRP 350 | Marketing Displays International | Work Zone Devices | Portable Sign Stands | |
| WZ-32 | NCHRP 350 | Pacific Safety Supply, Inc. | Work Zone Devices | Safety Devices | |
| CC-12H | NCHRP 350 | Trinity Industries, Inc. | Barrier Terminals and Crash Cushions | ET-2000 Plus Guardrail Terminal @ TL-2 | |
| WZ-29 | NCHRP 350 | Korman Signs | Work Zone Devices | Portable Sign Stands | |
| B-65 | NCHRP 350 | FHWA Memo to Resource Centers, etc. | Longitudinal Barriers and Bridge Rails | Acceptance of W-Beam Transition to a Vertical Concrete Parapet | |
| B-64 | NCHRP 350 | FHWA Memo to Resource Centers, etc. | Longitudinal Barriers and Bridge Rails | Nonproprietary Guardrails and Median Barriers | |
| CC-63 | NCHRP 350 | Dwight Horne, Director, FHWA Office of Highway Safety Infrastructure | Barrier Terminals and Crash Cushions | Acceptance of New York 3-Strand Cable Terminal @ TL-3 | |
| B-66 | NCHRP 350 | Massachusetts Highway Department | Longitudinal Barriers and Bridge Rails | Massachusetts Aesthetic Steel Post Bridge Rail | |
| CC-40A | NCHRP 350 | Dean Sicking, Midwest Roadside Safety Facility | Barrier Terminals and Crash Cushions | Modified SKT-350 @ TL-2 | |
| CC-12G | NCHRP 350 | Texas Transportation Institute | Barrier Terminals and Crash Cushions | Modified Extruder Head, ET-PLUS @ TL-3 |