| Designator | RWT01a-b |
| Category | Rail (R) |
| Type | W-Beam (W) |
| Function | Transition (T) |
| Manufacturer | Non-Proprietary |
| FHWA Eligibility Letter | |
| Contact | |
| Drawings | RWT01a-b_1995.pdf |
| Other Docs | |
| Archive | RWT01a-b (RE-69-76)_1979.pdf |
| External Links |
Symmetrical W-Thrie Beam Transition Section
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