C23A(CA) Ramp Work Ahead
Warns that ramp work is taking place ahead. It alerts drivers to work affecting the ramp.
- Sign Name
- Ramp Work Ahead
- Catalog alias
- C23A(CA)
- Official sign code
- C23(CA)
- California designation
- Legacy catalog label; current California designation C23(CA)
- Sign Category
- California Construction Signs
Specifications
- Shape
- Diamond
- Color / legend
- Orange background, black legend
Size Information
Verified dimensions are unavailable for this sign. A reference image or chart does not establish its size.
California Application & Variants
This existing catalog entry depicts RAMP WORK AHEAD. For the current California designation and application, CA MUTCD 2026 Section 6H.03 identifies the RAMP WORK AHEAD sign as C23(CA). Consult that entry and its official dimensioned drawing when selecting the sign.
Placement Context
- Where it sits
- At the location appropriate to the displayed instruction or warning, using the official drawing and project traffic-control plan.
- CA MUTCD reference
- CA MUTCD 2026 Chapter 6F — TTC Zone Signs — General (general context)
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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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