Warning · Rectangle · MUTCD 11th edition

W4-5aP No Merge Area (plaque)

W4-5aP No Merge Area plaque from the MUTCD 11th edition: 2 standard sizes (18" × 24" and 24" × 30"), with letter heights, border widths, and colors.

W4-5aP
Drawn at 18" × 24"

01

Standard sizes

SizeRoad typeBorderCorner radiusLettersNO MERGE AREA
18" × 24"Conventional Road, Single LaneConventional Road, Multi-Lane5/8"1 1/2"4"FHWA Series C
24" × 30"ExpresswayFreeway5/8"1 1/2"5"FHWA Series C

02

Colors

Legend
Black
Background
Yellow
Border
Black

03

Standard reference

  • SHS 2024 sheet 3-48 (W4-5aP, 18x24 in); MUTCD 11th ed. Table 2C-1
  • SHS 2024 sheet 3-48 (W4-5aP, 24x30 in); MUTCD 11th ed. Table 2C-1