ahead
alert
attention
beware
busy
caution
child
childhood
children
cross
crossing
crosswalk
danger
direction
driving
education
highway
icon
information
kids
law
modern
movement
pedestrian
people
protection
road
road sign
roadsign
safety
school
school zone
sign
signal
slow
stop
street
students
symbol
traffic
transport
transportation
travel
urban
vehicle
walking
warning
yellow background