Regulatory · Rectangle · MUTCD 11th edition
R3-51d Part-Time Travel on Shoulder Variable Operation
R3-51d Part-Time Travel on Shoulder Variable Operation sign from the MUTCD 11th edition: standard size (66" × 84"), with letter heights, border widths, and colors.
01
Standard sizes
| Size | Road type | Border | Corner radius | LettersTRAVEL ON SHOULDER ALLOWED WHEN FLASHING |
|---|---|---|---|---|
| 66" × 84" | — | 1 1/4" | 3" | 10"FHWA Series C |
02
Colors
- Legend
- Black
- Background
- White
- Border
- Black
03
Standard reference
- SHS 2024 sheet 2-158 (R3-51d, 66 x 84); MUTCD 11th ed. Table 2B-1