US Road Signs
Signal Ahead (plaque) (W10-21aP)
Warning sign

W10-21aP — Signal Ahead (plaque)

Sign information

Federal designation
W10-21aP
Category
Warning
Device type
Plaque
Shape
Rectangle
Background
Yellow
MUTCD reference
§8B.06 • Table 8B-1
MUTCD reference
Chapter 2C; see sign-specific section

Size / fabrication

Reference: §8B.06 • Table 8B-1

FHWA Standard Highway Signs

Dimensioned layout

Open original PDF

Drawing units: inches (in.) unless noted on the sheet.

100%
Preparing layout…

Application & sources

Warns road users of the condition, alignment, crossing, or hazard named by the sign.