W23-2 New Traffic Pattern Ahead
Warns that the traffic pattern ahead has changed. Drivers should watch for unfamiliar lane paths or movements rather than rely on the previous arrangement.
- Sign Name
- New Traffic Pattern Ahead
- MUTCD Code
- W23-2
- Sign Category
- Warning Signs
Specifications
- Shape
- Diamond
- Color / legend
- Yellow background, black legend
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.
Dimensions are side lengths of the diamond, not its corner-to-corner span.
- Layout 130" × 30"
- Layout 236" × 36"
- Layout 348" × 48"
Placement Context
- Where it sits
- Advance warning area, ahead of the work.
- CA MUTCD reference
- CA MUTCD 2026 Chapter 2C — Warning Signs and Object Markers
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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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