School Zone / Crossing Sign
MUTCD S1-1
A school zone or crossing is ahead; slow down and watch for children.
What it looks like
A fluorescent yellow-green pentagon pointing up with a black symbol of two children walking, marking a school zone or crossing.
When you'll see it
Near schools and along routes where children walk, placed ahead of school grounds and marked crossings.
What to do
Slow down and watch for children; be ready to stop and yield to students crossing, and obey any crossing guard.
Related signs
Source: Manual on Uniform Traffic Control Devices (MUTCD), 11th Edition — FHWA.