School · Rectangle · MUTCD 11th edition
S3-1 School Bus Stop Ahead
S3-1 School Bus Stop Ahead sign from the MUTCD 11th edition: 3 standard sizes (30" × 30", 36" × 36", and 48" × 48"), with border widths and colors.
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Standard sizes
| Size | Road type | Border | Corner radius |
|---|---|---|---|
| 30" × 30" | Conventional Road, Single LaneConventional Road, Multi-Lane | 3/4" | 1 7/8" |
| 36" × 36" | Expressway | 7/8" | 2 1/4" |
| 48" × 48" | Freeway | 1 1/4" | 3" |
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Colors
- Legend
- Black
- Background
- Fluorescent Yellow-Green
- Border
- Black
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Standard reference
- SHS 2024 sheet 6-2 (S3-1, 30 in); MUTCD 11th ed.
- SHS 2024 sheet 6-2 (S3-1, 36 in); MUTCD 11th ed.
- SHS 2024 sheet 6-2 (S3-1, 48 in); MUTCD 11th ed.
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