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 |
|---|---|---|---|---|---|
| WZ-68 | NCHRP 350 | Sign Up Corporation | Work Zone Devices | 27-SSX Portable Sign Stand 12-1-2000 With 48x48 RollUp | |
| B-80 | NCHRP 350 | David R. Lewis, HALCO, LLC | Longitudinal Barriers and Bridge Rails | X-48 tubular steel gr post @ TL-3 | |
| B-49B | NCHRP 350 | William D. Bryson, Bryson Products, LLC | Longitudinal Barriers and Bridge Rails | Recycled plastic block for use w/ w-beam g.rail @ TL-3 | |
| B-74A | NCHRP 350 | Richard Moore, Valley Rubber, LLC | Longitudinal Barriers and Bridge Rails | Valley Rubber Guardrail Block | |
| WZ-62 | NCHRP 350 | Flasher Handling/United Rentals | Work Zone Devices | Direction Indicator w/ light plastic corrugated panels Bantam II with flags, Featherweight II sign stands | |
| SS-92 | NCHRP 350 | Tremex | Sign Supports, Mailboxes, and Delineator Posts | Plastic post, steel foundation delineator system | |
| WZ-67 | NCHRP 350 | Bone Safety Signs | Work Zone Devices | Portable Sign Stands with 48x48 RollUps | |
| WZ-60 | NCHRP 350 | United Rentals Jadco | Work Zone Devices | Type II Barricade with lightweight light | |
| WZ-103 | NCHRP 350 | Eastern Metal / USA Sign | Work Zone Devices | Additional signs on tested stands | |
| B-75 | NCHRP 350 | Kaddo Kothman, Road Systems, Inc. | Longitudinal Barriers and Bridge Rails | 14-gauge W-beam Guardrail @ TL-3 |