R1-2 · Yield
R1-2 Sizes & Dimensions
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. All dimensions below are in inches.
Open R1-2 Official Dimension Drawing (PDF, opens in a new tab)Official PDF · Opens in a new tab
Dimensions from the Official Drawing
The listed dimension is the length of each side of the equilateral triangle, not a rectangular width and height.
- Layout 118" per side (equilateral triangle)
See layout variant and applicable MUTCD size-selection requirements.
The listed dimension is the length of each side of the equilateral triangle, not a rectangular width and height.
- Layout 230" per side (equilateral triangle)
See layout variant and applicable MUTCD size-selection requirements.
The listed dimension is the length of each side of the equilateral triangle, not a rectangular width and height.
- Layout 336" per side (equilateral triangle)
See layout variant and applicable MUTCD size-selection requirements.
The listed dimension is the length of each side of the equilateral triangle, not a rectangular width and height.
- Layout 448" per side (equilateral triangle)
See layout variant and applicable MUTCD size-selection requirements.
The listed dimension is the length of each side of the equilateral triangle, not a rectangular width and height.
- Layout 560" per side (equilateral triangle)
See layout variant and applicable MUTCD size-selection requirements.
The listed dimension is the length of each side of the equilateral triangle, not a rectangular width and height.
Drawing dimensions are not a universal minimum or an agency approval. 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.
Official References
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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