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Regulatory · Rectangle · MUTCD 11th edition

R10-11a No Turn On Circular Red

R10-11a No Turn On Circular Red sign from the MUTCD 11th edition: 2 standard sizes (24" × 30" and 36" × 48"), with letter heights, border widths, and colors.

Open this sign in the editorStandard sizes
R10-11a
Drawn at 24" × 30"

01

Standard sizes

SizeRoad typeBorderCorner radiusLettersNOLettersTURN ON RED
24" × 30"—5/8"1 1/2"5"FHWA Series E4"FHWA Series D
36" × 48"—7/8"2 1/4"8"FHWA Series E6"FHWA Series D

02

Colors

Legend
Black
Red
Background
White
Border
Black

03

Standard reference

  • SHS 2024 sheet 2-328 (R10-11a, 24x30 in); MUTCD 11th ed. Table 2C-1
  • SHS 2024 sheet 2-328 (R10-11a, 36x48 in); MUTCD 11th ed. Table 2C-1