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-51 | NCHRP 350 | David Bailey-Consource | Longitudinal Barriers and Bridge Rails | Recycled plastic block for use w/ w-beam g.rail | |
| CC-58 | NCHRP 350 | Connecticut DOT | Barrier Terminals and Crash Cushions | Narrow Connecticut Impact Attenuator (NCIAS) @ TL-3 | |
| B-50 | NCHRP 350 | NE Trans. Consortium | Longitudinal Barriers and Bridge Rails | NETC 2-Bar (curb mounted) & 4-Bar (sidewalk mounted) Bridge Rails | |
| SS-68D | NCHRP 350 | X-Cessories Squared | Sign Supports, Mailboxes, and Delineator Posts | 3-bolt slip base, 10-inch variety | |
| WZ-11 | NCHRP 350 | Recycled Plastic Products | Work Zone Devices | Hollow Core Recycled Plastic Barricades | |
| B-29C | NCHRP 350 | New company name | Longitudinal Barriers and Bridge Rails | Polylumber Blockouts on Steel Post W-beam | |
| WZ-08 | NCHRP 350 | Off the Wall | Work Zone Devices | Multi-Barrier MB2 hollow plastic barricade | |
| SS-81 | NCHRP 350 | S-Square Tube Products | Sign Supports, Mailboxes, and Delineator Posts | NEX-TUBE 50.8-mm octagonal steel, 12 or 14 gage tubes in anchor or direct bury, strong and weak soil | |
| WZ-09 | NCHRP 350 | Safety Quest | Work Zone Devices | Roadguard channelizer by Traffic Safety Devices, Inc. | |
| CC-56 | NCHRP 350 | Minnesota DOT | Barrier Terminals and Crash Cushions | Eccentric Loader Terminal (ELT) @ TL-3 |