Warning sign

W10-21aP — Signal Ahead (plaque)

W10-21aP (Signal Ahead (plaque)) is an official MUTCD traffic sign designation within the warning sign family. Standard vector graphics are published by FHWA under Standard Highway Signs.

Designation

W10-21aP

Official sign name

Signal Ahead (plaque)

Sign family

Warning

Sign series

W10 Series

Primary source

FHWA MUTCD 11th Edition

Artwork status

3 artwork variants matched

Artwork release

Standard Highway Signs release 1

Artwork format

SVG

Artwork variants

3 (24 × 18 in, 30 × 24 in, 42 × 30 in)