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-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 | |
| LS-35 | NCHRP 350 | Hapco Division | Luminaire Supports | "X"and"Y"extruded al.slip bases, 11" & 15" BC | |
| CC-25 | NCHRP 350 | Energy Absorption | Barrier Terminals and Crash Cushions | NEAT Non-redirecting crash cushion @ TL-2 | |
| SS-52 | NCHRP 350 | Xcessories Squared | Sign Supports, Mailboxes, and Delineator Posts | Three-Bolt Slip Base (same as SS-24) (Letter was originally written to Allied Highway Sales, but hardware is manufactured by Xcessories Squared.) | |
| SS-51 | NCHRP 350 | Unistrut Corp. | Sign Supports, Mailboxes, and Delineator Posts | A570 Perforated Square Steel Posts W/60 ksi yield |