Warning · Diamond · MUTCD 11th edition
W8-1 Bump
W8-1 Bump sign from the MUTCD 11th edition: 5 standard sizes (18" × 18", 24" × 24", 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 | LettersBUMP |
|---|---|---|---|---|
| 18" × 18" | — | 5/8" | 1 1/2" | 4"FHWA Series D |
| 24" × 24" | — | 5/8" | 1 1/2" | 6"FHWA Series D |
| 30" × 30" | Conventional Road, Single Lane | 3/4" | 1 7/8" | 8"FHWA Series D |
| 36" × 36" | Conventional Road, Multi-LaneExpressway | 7/8" | 2 1/4" | 10"FHWA Series D |
| 48" × 48" | Freeway | 1 1/4" | 3" | 12"FHWA Series D |
02
Colors
- Legend
- Black
- Background
- Yellow
- Border
- Black
03
Standard reference
- SHS 2024 sheet 3-79 (W8-1, 18 in); MUTCD 11th ed. Table 2C-1
- SHS 2024 sheet 3-79 (W8-1, 24 in); MUTCD 11th ed. Table 2C-1
- SHS 2024 sheet 3-79 (W8-1, 30 in); MUTCD 11th ed. Table 2C-1
- SHS 2024 sheet 3-79 (W8-1, 36 in); MUTCD 11th ed. Table 2C-1
- SHS 2024 sheet 3-79 (W8-1, 48 in); MUTCD 11th ed. Table 2C-1
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