Warning · Diamond · MUTCD 11th edition

W3-4 Be Prepared to Stop

W3-4 Be Prepared to Stop sign from the MUTCD 11th edition: 3 standard sizes (30" × 30", 36" × 36", and 48" × 48"), with letter heights, border widths, and colors.

W3-4
Drawn at 36" × 36"

01

Standard sizes

SizeRoad typeBorderCorner radiusLettersBE PREPARED TO STOP
30" × 30"—3/4"1 7/8"5"FHWA Series C
36" × 36"Conventional Road, Single LaneConventional Road, Multi-Lane7/8"2 1/4"6"FHWA Series C
48" × 48"ExpresswayFreeway1 1/4"3"8"FHWA Series C

02

Colors

Legend
Black
Background
Yellow
Border
Black

03

Standard reference

  • SHS 2024 sheet 3-32 (W3-4, 30 in); MUTCD 11th ed. Table 2C-1
  • SHS 2024 sheet 3-32 (W3-4, 36 in); MUTCD 11th ed. Table 2C-1
  • SHS 2024 sheet 3-32 (W3-4, 48 in); MUTCD 11th ed. Table 2C-1