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-56 | MASH | Marion Steel Company | Sign Supports, Mailboxes, and Delineator Posts | "Lap Splice" for triple 3ppf and 4ppf in both soils | |
| LS-37 | NCHRP 350 | P&K Pole Products | Luminaire Supports | SB-2AFG Cast Al.Breakaway Base for 10" Poles | |
| CC-30 | NCHRP 350 | Connecticut DOT. | Barrier Terminals and Crash Cushions | Connecticut TMA @ TL-2 | |
| CC-29 | NCHRP 350 | Energy Absorption Co. | Barrier Terminals and Crash Cushions | Energite III module @ TL-3 | |
| CC-28 | NCHRP 350 | Roadway Safety Systems | Barrier Terminals and Crash Cushions | Fitch Universal Module Crash Cushion @ TL-3 | |
| B-29A | NCHRP 350 | ARW Polywood | Longitudinal Barriers and Bridge Rails | Manufacturer of Ramco’s blockouts | |
| 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 |