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-27 | NCHRP 350 | Engineered Systems | Barrier Terminals and Crash Cushions | Water Twister Vehicle Arresting System @ TL-3 | |
| CC-12B | NCHRP 350 | Barrier Terminals and Crash Cushions | Design modification | ||
| SS-17B | NCHRP 350 | Transpo Industries | Sign Supports, Mailboxes, and Delineator Posts | Type A breakaway coupling accepted for use with dual square steel tube supports | |
| SS-55 | NCHRP 350 | Colorado Dept. of Transportation | Sign Supports, Mailboxes, and Delineator Posts | 4 x 6 Wood posts installed sideways | |
| CC-26A | NCHRP 350 | Barrier Terminals and Crash Cushions | Removal of conditional acceptance | ||
| SS-54 | NCHRP 350 | Chicago Heights Steel | Sign Supports, Mailboxes, and Delineator Posts | U-channel posts to 4 PPF in "EZE-Erect" configurations | |
| LS-36 | NCHRP 350 | Luminaire Supports | Wyoming Road Closure Gate | ||
| SS-53 | NCHRP 350 | Lancaster Composite | Sign Supports, Mailboxes, and Delineator Posts | Concrete-filled fiberglass posts | |
| SS-17A | NCHRP 350 | Transpo Industries | Sign Supports, Mailboxes, and Delineator Posts | Type A breakaway coupling accepted for use with single square steel tube supports. | |
| CC-26 | NCHRP 350 | J.Carney, Vanderbilt | Barrier Terminals and Crash Cushions | Conditional acceptance of REACT 350 at TL-3 |