Temporary · Diamond · California MUTCD

C45(CA) Rumble Strips

C45(CA) Rumble Strips sign from the California MUTCD: 2 standard sizes (36" × 36" and 48" × 48"), with letter heights, border widths, and colors.

C45(CA)
Drawn at 36" × 36"

01

Standard sizes

SizeRoad typeBorderCorner radiusLettersRUMBLE STRIPS
36" × 36"Expressway7/8"2 1/4"6"FHWA Series C
48" × 48"Freeway1 1/4"3"8"FHWA Series C

02

Colors

Legend
Black
Background
Orange
Border
Black

03

Standard reference

  • Caltrans sign specification C45(CA) dated 10/17/14 (36 in)
  • Caltrans sign specification C45(CA) dated 10/17/14 (48 in)