W1-3L Reverse Turn (Left)
The W1-3L Reverse Turn (Left) sign warns of two turns in opposite directions that are separated by a short tangent, where the first turn is to the left. The angular symbol distinguishes a reverse turn from the smoother reverse curve (W1-4).
- Sign Name
- Reverse Turn (Left)
- MUTCD Code
- W1-3L
- Sign Category
- Warning Signs
Specifications
- Shape
- Diamond
- Color / legend
- Yellow background, black symbol
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.
Dimensions are side lengths of the diamond, not its corner-to-corner span.
- Layout 118" × 18"
- Layout 224" × 24"
- Layout 330" × 30"
- Layout 436" × 36"
- Layout 548" × 48"
When & Where It's Used
- Placed ahead of a left-then-right reverse turn in the alignment
- Used on work-zone diversions and temporary lane shifts
- Sized and placed for the approach speed per the CA MUTCD
Placement Context
- Where it sits
- In advance of the first turn of a reverse-turn (left-then-right) roadway alignment.
- CA MUTCD reference
- CA MUTCD 2026 Chapter 2C — Warning Signs and Object Markers (general context)
Related Signs
Browse Warning Signs
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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