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R10-6a Stop Here on Red (Side Arrow)

Identifies the red-signal stopping location using a side-directed arrow.

Sign Name
Stop Here on Red (Side Arrow)
MUTCD Code
R10-6a
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 example is R10-6aL. The official drawing also shows the right-arrow variant.

  • Drawing size 124" × 30"
  • Drawing size 236" × 42"
View dimensions and source

When & Where It's Used

  • Signal stop-line identification

Placement Context

Where it sits
Use with the stop line and an arrow pointing toward the intended stopping location..
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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