Regulatory · Rectangle · MUTCD 11th edition
R2-1 Speed Limit
R2-1 Speed Limit sign from the MUTCD 11th edition: 5 standard sizes (24" × 30", 30" × 36", 36" × 48", 48" × 60", and 18" × 24"), with letter heights, border widths, and colors.
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Standard sizes
| Size | Road type | Border | Corner radius | LettersSPEED LIMIT | Letters50 |
|---|---|---|---|---|---|
| 24" × 30" | Conventional Road, Single Lane | 5/8" | 1 1/2" | 4"FHWA Series E | 10"FHWA Series E |
| 30" × 36" | Conventional Road, Multi-Lane | 3/4" | 1 7/8" | 5"FHWA Series E | 12"FHWA Series E |
| 36" × 48" | Expressway | 7/8" | 2 1/4" | 6"FHWA Series E | 14"FHWA Series E |
| 48" × 60" | Freeway | 1 1/4" | 3" | 8"FHWA Series E | 16"FHWA Series E |
| 18" × 24" | — | 5/8" | 1 1/2" | 3"FHWA Series E | 8"FHWA Series E |
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Colors
- Legend
- Black
- Background
- White
- Border
- Black
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Standard reference
- SHS 2024 sheet 2-20 and SHS 2004 sheet 1-10 (R2-1, 24 x 30); MUTCD 11th ed. Table 2B-1
- SHS 2024 sheet 2-20 (R2-1, 30 x 36); MUTCD 11th ed. Table 2B-1
- SHS 2024 sheet 2-20 and SHS 2004 sheet 1-10 (R2-1, 36 x 48); MUTCD 11th ed. Table 2B-1
- SHS 2024 sheet 2-20 and SHS 2004 sheet 1-10 (R2-1, 48 x 60); MUTCD 11th ed. Table 2B-1
- SHS 2024 sheet 2-20 and SHS 2004 sheet 1-10 (R2-1, 18 x 24); MUTCD 11th ed. Table 2B-1
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