Regulatory · Rectangle · Texas MUTCD

R4-3bT Do Not Cross Double White Line

R4-3bT Do Not Cross Double White Line sign from the Texas MUTCD: 2 standard sizes (36" × 36" and 48" × 48"), with letter heights, border widths, and colors.

R4-3bT
Drawn at 36" × 36"

01

Standard sizes

SizeRoad typeBorderCorner radiusLettersDO NOT CROSS DOUBLE WHITE LINE
36" × 36"—7/8"2 1/4"4"FHWA Series C
48" × 48"—1 1/4"3"6"FHWA Series C

02

Colors

Legend
Black
Background
White
Border
Black

03

Standard reference

  • TxDOT SHSD 2012 Rev. 4, sheet 1-63 (R4-3bT, 36x36 in)
  • TxDOT SHSD 2012 Rev. 4, sheet 1-63 (R4-3bT, 48x48 in)