W10-11a Storage Space Ahead
States the available distance between tracks and the highway ahead.
- Sign Name
- Storage Space Ahead
- MUTCD Code
- W10-11a
- Sign Category
- Warning Signs
Specifications
- Shape
- Rectangle (Vertical)
- Color / legend
- Black legend and border on yellow 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.
- Official drawing size30" × 36"
- Official drawing size48" × 54"
California Application & Variants
States the storage distance between the tracks and highway ahead. The illustrated 100 FEET is an example; the installed message must reflect the location.
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.
When & Where It's Used
- Railroad or light rail crossing review
Placement Context
- Where it sits
- States the storage distance between the tracks and highway ahead. The illustrated 100 FEET is an example; the installed message must reflect the location..
- CA MUTCD reference
- CA MUTCD 2026 §8B.21
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Browse Warning Signs
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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