Regulatory · Rectangle · MUTCD 11th edition
R10-31P At Signal (plaque)
R10-31P At Signal plaque from the MUTCD 11th edition: standard size (24" × 9"), with letter heights, border widths, and colors.
01
Standard sizes
| Size | Road type | Border | Corner radius | LettersAT SIGNAL |
|---|---|---|---|---|
| 24" × 9" | Conventional Road, Single LaneConventional Road, Multi-Lane | 5/8" | 1 1/2" | 4"FHWA Series B |
02
Colors
- Legend
- Black
- Background
- White
- Border
- Black
03
Standard reference
- SHS 2024 sheet 2-358 (R10-31P, 24 x 9); MUTCD 11th ed. Table 2B-1
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