| Designator | RWM23b |
| Category | Rail (R) |
| Type | W-Beam (W) |
| Function | Main Member (M) |
| Manufacturer | Non-Proprietary |
| FHWA Eligibility Letter | |
| Contact | Center for Collision Safety and Analysis (CCSA) |
| Drawings | RWM23b_20210517.pdf |
| Other Docs | |
| Archive | |
| External Links |
W-Beam Spacer Guardrail with Holes
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