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.

R70B(CA)
Drawn at 72" × 30"

01

Standard sizes

SizeRoad typeCorner radiusLettersOK
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)