R10-12a Left Turn Yield on Flashing Yellow Arrow
Tells left-turning drivers to yield when the signal displays a flashing yellow arrow.
- Sign Name
- Left Turn Yield on Flashing Yellow Arrow
- MUTCD Code
- R10-12a
- Sign Category
- Regulatory Signs
Specifications
- Shape
- Rectangle (Vertical)
- Color / legend
- White background, black legend and border
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.
Match the sign to an actual flashing-yellow-arrow signal display; do not use the circular-green drawing as its artwork.
- Drawing size 130" × 36"
When & Where It's Used
- Flashing-yellow-arrow left-turn control
Placement Context
- Where it sits
- Use adjacent to the applicable left-turn signal face when this supplemental instruction is selected..
- CA MUTCD reference
- CA MUTCD 2026 §2B.59
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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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