Warning · Diamond · MUTCD 11th edition
W23-2 New Traffic Pattern Ahead
W23-2 New Traffic Pattern Ahead sign from the MUTCD 11th edition: 3 standard sizes (30" × 30", 36" × 36", and 48" × 48"), with letter heights, border widths, and colors.
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Standard sizes
| Size | Road type | Border | Corner radius | LettersNEW TRAFFIC PATTERN AHEAD |
|---|---|---|---|---|
| 30" × 30" | — | 3/4" | 1 7/8" | 4"FHWA Series C |
| 36" × 36" | Conventional Road, Single LaneConventional Road, Multi-Lane | 7/8" | 2 1/4" | 5"FHWA Series C |
| 48" × 48" | — | 1 1/4" | 3" | 7"FHWA Series C |
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Colors
- Legend
- Black
- Background
- Yellow
- Border
- Black
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Standard reference
- SHS 2024 sheet 3-229 (W23-2, 30 in); MUTCD 11th ed. Table 2C-1
- SHS 2024 sheet 3-229 (W23-2, 36 in); MUTCD 11th ed. Table 2C-1
- SHS 2024 sheet 3-229 (W23-2, 48 in); MUTCD 11th ed. Table 2C-1
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