Regulatory · Rectangle · MUTCD 11th edition
R4-7a Keep Right
R4-7a Keep Right sign from the MUTCD 11th edition: 4 standard sizes (24" × 30", 36" × 48", 48" × 60", and 18" × 24"), with letter heights, border widths, and colors.
01
Standard sizes
| Size | Road type | Border | Corner radius | LettersKEEP RIGHT |
|---|---|---|---|---|
| 24" × 30" | Conventional Road, Single LaneConventional Road, Multi-Lane | 5/8" | 1 1/2" | 5"FHWA Series D |
| 36" × 48" | Expressway | 7/8" | 2 1/4" | 8"FHWA Series D |
| 48" × 60" | Freeway | 1 1/4" | 3" | 10"FHWA Series D |
| 18" × 24" | — | 5/8" | 1 1/2" | 4"FHWA Series D |
02
Colors
- Legend
- Black
- Background
- White
- Border
- Black
03
Standard reference
- SHS 2004 sheet 1-68 (R4-7a, 24 x 30); MUTCD 11th ed. Table 2B-1
- SHS 2004 sheet 1-68 (R4-7a, 36 x 48); MUTCD 11th ed. Table 2B-1
- SHS 2004 sheet 1-68 (R4-7a, 48 x 60); MUTCD 11th ed. Table 2B-1
- SHS 2004 sheet 1-68 (R4-7a, 18 x 24); MUTCD 11th ed. Table 2B-1
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