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 |
|---|---|---|---|---|---|
| SS-90 | NCHRP 350 | K&K Systems, Inc. | Sign Supports, Mailboxes, and Delineator Posts | School Warning Signs with flashing lights, battery, solar panel and Marion Slip-Safe system. | |
| WZ-48 | NCHRP 350 | Traffic Control Products of Florida, Inc. | Work Zone Devices | Lighted Type I and Type II Barricades | |
| B-71 | NCHRP 350 | James W. Havens, Millennium Plastic Wood, LLC | Longitudinal Barriers and Bridge Rails | Recycled Plastic Offset Block | |
| SS-88 | NCHRP 350 | Poz-Loc Traffic Systems; Northwest Pipe Company | Sign Supports, Mailboxes, and Delineator Posts | Single and Dual Slip base system for square tube supports | |
| SS-85 | NCHRP 350 | Unistrut Distribution Company | Sign Supports, Mailboxes, and Delineator Posts | Poletech with PUB - Plastic Bung for Square Signs February 2000 | |
| WZ-46 | NCHRP 350 | TrafFix Devices, Inc. | Work Zone Devices | Barricades and Sign Stands | |
| WZ-44 | NCHRP 350 | Bureau of Highway Safety and Traffic Engineering, Penn. DOT | Work Zone Devices | Penn. Type III Barricade/Sign Stand | |
| WZ-47 | NCHRP 350 | The Cortina Companies | Work Zone Devices | Type I Plastic Barricade w/ NightFlasher | |
| CC-64A | NCHRP 350 | Albert Unrath Inc. | Barrier Terminals and Crash Cushions | Clarification of acceptance conditions @ TL-3 | |
| B-70 | NCHRP 350 | State of Idaho Transportation Department | Longitudinal Barriers and Bridge Rails | 20ft long NJ barrier (pin and loop connection) |