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-81A | NCHRP 350 | Pennsylvania Department of Transportation | Longitudinal Barriers and Bridge Rails | PA W-Beam Transition @ TL-4 | |
| B-134A | NCHRP 350 | Energy Absorption Systems, Incorporated | Longitudinal Barriers and Bridge Rails | Transition designs for Vulcan barrier | |
| B-141 | NCHRP 350 | Trinity Highway Safety Products, Inc. | Longitudinal Barriers and Bridge Rails | CASS TL-3 and CAS TL-4 I-post designs | |
| LS-55 | NCHRP 350 | Akron Foundry | Luminaire Supports | TB2-17 breakaway cast aluminum transformer base | |
| CC-12P | NCHRP 350 | Trinity Highway Safety Products Division | Barrier Terminals and Crash Cushions | alternative ET post | |
| B-140 | NCHRP 350 | Trinity Highway Safety Products Division | Longitudinal Barriers and Bridge Rails | T-31 Strong-post W-beam @ TL-3 | |
| CC-26H | NCHRP 350 | Energy Absorption Systems, Inc. | Barrier Terminals and Crash Cushions | modified REACT anchor designs | |
| WZ-216 | NCHRP 350 | Traffix Devices Inc. | Work Zone Devices | Type I Barricade and Type II Barricade | |
| CC-64F | NCHRP 350 | Albert W. Unrath, Inc. | Barrier Terminals and Crash Cushions | Supplemental tests for TL-2 U-MAD | |
| CC-85B | NCHRP 350 | SCI Products Incorporated | Barrier Terminals and Crash Cushions | SCI100GM performance evaluation |