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Warning · Diamond · MUTCD 11th edition

W18-1 No Traffic Signs

W18-1 No Traffic Signs sign from the MUTCD 11th edition: 3 standard sizes (24" × 24", 30" × 30", and 36" × 36"), with letter heights, border widths, and colors.

Open this sign in the editorStandard sizes
W18-1
Drawn at 30" × 30"

01

Standard sizes

SizeRoad typeBorderCorner radiusLettersNO TRAFFIC SIGNS
24" × 24"—5/8"1 1/2"4"FHWA Series D
30" × 30"Conventional Road, Single Lane3/4"1 7/8"5"FHWA Series D
36" × 36"Conventional Road, Multi-Lane7/8"2 1/4"6"FHWA Series D

02

Colors

Legend
Black
Background
Yellow
Border
Black

03

Standard reference

  • SHS 2024 sheet 3-223 (W18-1, 24 in); MUTCD 11th ed. Table 2C-1
  • SHS 2024 sheet 3-223 (W18-1, 30 in); MUTCD 11th ed. Table 2C-1
  • SHS 2024 sheet 3-223 (W18-1, 36 in); MUTCD 11th ed. Table 2C-1