R15-1 Railroad Crossing — Crossbuck
Identifies a railroad crossing with the white RAILROAD CROSSING crossbuck.
- Sign Name
- Railroad Crossing — Crossbuck
- MUTCD Code
- R15-1
- Sign Category
- Regulatory Signs
Specifications
- Shape
- Crossbuck
- Color / legend
- Black legend on white background
Sizes & Dimensions (inches)
These are dimensions shown on the linked layout. Select the required size using the applicable MUTCD and agency requirements; the smallest drawing size is not necessarily the permitted minimum.
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. Listed dimensions are blade length and width, not the assembled crossbuck bounding box.
- Official drawing size24" × 4.5"
- Official drawing size48" × 9"
California Application & Variants
The assembled crossbuck identifies a railroad crossing. The 48 × 9-inch dimensions describe each blade; they do not describe the assembled sign’s overall width and height.
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. Listed dimensions are blade length and width, not the assembled crossbuck bounding box.
When & Where It's Used
- Railroad or light rail crossing review
Placement Context
- Where it sits
- The assembled crossbuck identifies a railroad crossing. The 48 × 9-inch dimensions describe each blade; they do not describe the assembled sign’s overall width and height..
- CA MUTCD reference
- CA MUTCD 2026 §8B.03
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Educational 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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