Dimensions are in the official PDF. Opens in a new tab.
R3-2 ABO Requirements & Application NotesR3-2 ABO Activated Blank-Out Sign (based on Federal MUTCD R3-2 sign)
The Caltrans R3-2 ABO specification covers Activated Blank-Out Sign (based on Federal MUTCD R3-2 sign). Its official drawing provides the sign legend, layout, and design notes.
- Sign Name
- Activated Blank-Out Sign (based on Federal MUTCD R3-2 sign)
- MUTCD Code
- R3-2 ABO
- California designation
- Federal sign with a California layout variant
- Sign Category
- Regulatory Signs
Specifications
- Shape
- See official drawing
- Color / legend
- See the color and material notes in the official specification.
Official Dimension Drawing
Dimensions and variant-specific details are provided in the official PDF. Numeric sizes have not been separately transcribed for this entry.
California Application & Variants
Caltrans lists R3-2 ABO as Activated Blank-Out Sign (based on Federal MUTCD R3-2 sign). The sign face is shown without drafting annotations; Layout opens the complete official specification.
When & Where It's Used
- Activated Blank-Out Sign (based on Federal MUTCD R3-2 sign)
- California sign design and layout review
Placement Context
- Where it sits
- Consult the applicable CA MUTCD provisions and the reviewing agency for placement..
- CA MUTCD reference
- Caltrans Sign Specifications; consult the CA MUTCD for application requirements.
Related Signs
Browse Regulatory 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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