Regulatory · Rectangle · MUTCD 11th edition

R3-51cP Emergency Stopping Only Other Times (plaque)

R3-51cP Emergency Stopping Only Other Times plaque from the MUTCD 11th edition: standard size (54" × 42"), with letter heights, border widths, and colors.

R3-51cP
Drawn at 54" × 42"

01

Standard sizes

SizeRoad typeBorderCorner radiusLettersEMERGENCY STOPPING ONLYLettersOTHER TIMES
54" × 42"—7/8"2 1/4"6"FHWA Series D5"FHWA Series D

02

Colors

Legend
Black
Background
White
Border
Black

03

Standard reference

  • SHS 2024 sheet 2-157 (R3-51cP, 54 x 42); MUTCD 11th ed. Table 2B-1