R8-10 Stop Here When Flashing (Straight Arrow)
Identifies the stopping point when grade-crossing flashing-light signals are active.
- Sign Name
- Stop Here When Flashing (Straight Arrow)
- MUTCD Code
- R8-10
- Sign Category
- Regulatory Signs
Specifications
- Shape
- Rectangle (Vertical)
- Color / legend
- Black legend and border on white background
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 checked against the exact official drawing. Select by the applicable roadway or bicycle-facility requirements; displayed hours, fees, and other variable legends are examples.
- Official drawing size24" × 36"
- Official drawing size36" × 48"
California Application & Variants
Use at a grade crossing to identify the stop line or stopping point. Match the arrow to that location; this sign is not the STOP HERE ON RED traffic-signal sign.
When & Where It's Used
- Emergency-stop or grade-crossing review
Placement Context
- Where it sits
- At the location and facing the approach identified by the linked manual; match any directional arrow to the actual assembly..
- CA MUTCD reference
- CA MUTCD 2026 §8B.09
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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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