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R10-10 Right (Left) Turn Signal

Identifies the traffic signal controlling the indicated turn movement.

Sign Name
Right (Left) Turn Signal
MUTCD Code
R10-10
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.

The displayed face is RIGHT TURN SIGNAL. The linked PDF includes separate right- and left-turn drawings.

  • Drawing size 124" × 30"
  • Drawing size 230" × 36"
View dimensions and source

When & Where It's Used

  • Turn-signal identification

Placement Context

Where it sits
Locate the applicable turn-signal identification sign adjacent to that movement’s signal face..
CA MUTCD reference
CA MUTCD 2026 §2B.59

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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