R10-11 No Turn on Red
Prohibits the applicable turn while the controlling signal displays red.
- Sign Name
- No Turn on Red
- MUTCD Code
- R10-11
- 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.
Confirm the regulated movement, visibility, and any time restrictions. This word-message design is distinct from R10-11a and R10-11b.
- Drawing size 124" × 30"
- Drawing size 236" × 48"
When & Where It's Used
- Turn-on-red prohibition
Placement Context
- Where it sits
- Use at a signalized intersection where a turn-on-red prohibition applies, per CA MUTCD 2B.60..
- CA MUTCD reference
- CA MUTCD 2026 §2B.60
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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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