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 |
|---|---|---|---|---|---|
| B-31 | NCHRP 350 | R.Faller, U of Nebraska | Longitudinal Barriers and Bridge Rails | 5 Railings for timber Bridges | |
| B-30 | NCHRP 350 | Safety Barrier Systems Guardian | Longitudinal Barriers and Bridge Rails | Water Filled Plastic Barrier | |
| B-29 | NCHRP 350 | RAMCO | Longitudinal Barriers and Bridge Rails | Polylumber Blockouts on Wood Post W-beam | |
| B-28 | NCHRP 350 | Fracasso, Italy | Longitudinal Barriers and Bridge Rails | 3-N Steel Guardrail | |
| CC-23 | NCHRP 350 | Univ. of Nebraska | Barrier Terminals and Crash Cushions | Metal Cutting Terminal | |
| CC-24 | NCHRP 350 | Trinity/Syro | Barrier Terminals and Crash Cushions | HEXCEL TMA under NCHRP 230 guidelines | |
| SS-50 | NCHRP 350 | Sign Supports, Mailboxes, and Delineator Posts | Virginia's 5x5 unmodified single wood post in soil-cement foundation ** | ||
| SS-49 | NCHRP 350 | Galvacor | Sign Supports, Mailboxes, and Delineator Posts | 2 PPF U-channel A-36 steel delineator posts | |
| B-21A | NCHRP 350 | (supplement to B-21) | Longitudinal Barriers and Bridge Rails | Additional information on application of Triton | |
| SS-48 | NCHRP 350 | SAFE, Inc | Sign Supports, Mailboxes, and Delineator Posts | Safe Foundation and Anchors base for breakaway couplings |