Regulatory · Rectangle · California MUTCD
R70B(CA) OK (chain control)
R70B(CA) OK (chain control) sign from the California MUTCD: standard size (72" × 30"), with letter heights and colors.
01
Standard sizes
| Size | Road type | Corner radius | LettersOK |
|---|---|---|---|
| 72" × 30" | — | 3" | 12"FHWA Series D |
02
Colors
- Legend
- Black
- Background
- White
03
Standard reference
- Caltrans sign specification R70B(CA) dated 3/29/23 (72x30 in)