W10-15P ROUGH CROSSING — PLAQUE Requirements
Application notes for W10-15P ROUGH CROSSING — PLAQUE. The official manual distinguishes mandatory standards, recommended guidance, and optional applications; consult the linked sources for the provisions that apply.
California Application & Variants
The ROUGH CROSSING plaque supplements crossing warning signs under section 8B.25. The legend does not specify an advisory speed.
Size selection: Use California Table 8B-1 and its notes for roadway selection; pathway/sidewalk applications also reference Table 9A-1. Federal drawing sizes do not establish California installation minimums.
1. When ROUGH CROSSING — PLAQUE Is Used
Adds a ROUGH CROSSING warning to a grade-crossing approach.
- Railroad or light rail crossing review
2. Placement and Application Notes
Position W10-15P the ROUGH CROSSING plaque supplements crossing warning signs under section 8B.25. The legend does not specify an advisory speed..
- Place the sign where the intended road users have a clear, unobstructed view on approach.
- Use the mounting height and lateral placement specified for the sign and installation type.
- Use sign assemblies and supplemental plaques only as provided in the applicable manual and approved design.
3. Layout Sizes and Visibility Considerations
Linked-layout dimensions: 30" × 24"; 36" × 30". Check the applicable MUTCD and agency requirements for the required installation size.
- Choose size based on roadway speed, sight distance, and mounting location.
- Use the visibility and material requirements specified for this sign and installation.
4. Sign Selection Checks
- Match W10-15P and its displayed legend to the intended condition.
- Check the source drawing for the required directional or message variant.
Related Resources
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Verify W10-15P Requirements
This is an educational reference. Verify sign use, size, placement, and application against the current CA MUTCD, Caltrans sign specifications, Standard Plans, and the reviewing agency. Official source links are gathered in one place.
View official sourcesEducational reference only. This is not an official Caltrans, FHWA, or local agency publication and is not legal or engineering advice. Always verify sign selection, size, placement, spacing, and application against the current CA MUTCD 2026, Caltrans sign specifications, Standard Plans, project documents, and the reviewing agency’s requirements. Local jurisdictions may impose additional requirements, and final selection, placement, and dimensions may require engineering judgment or agency approval. Reference editions: California MUTCD 2026 (effective January 18, 2026) and the Federal MUTCD 11th Edition with Revision 1.
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