R10-14a · Emergency Signal — Stop on Flashing Red (Overhead)
R10-14a 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 R10-14a Official Dimension Drawing (PDF, opens in a new tab)Official PDF · Opens in a new tab
Dimensions from the Official Drawing
This horizontal design has its own dimensioned drawing and must not inherit R10-14 dimensions.
- Drawing size 160" × 24"
Select using the applicable MUTCD size table and roadway authority requirements.
Overall dimensions shown on the linked official drawing; not a universal minimum.
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
- CA MUTCD 2026 §2B.59 (opens in a new tab)
- FHWA Standard Highway Signs — Release 3 official vector and layout archive (opens in a new tab)
- California MUTCD (Caltrans) (opens in a new tab)
- Federal MUTCD — 11th Edition (FHWA) (opens in a new tab)
- Caltrans Sign Charts (opens in a new tab)
- FHWA Standard Highway Signs (opens in a new tab)
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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