alert
art
background
blank
blue
car
circle
circular
city
communication
concept
construction
danger
design
empty
forbidden
graphic
icon
illustration
law
message
metal
no
not
park
parking
pillar
pole
prohibit
rectangular
red
restriction
road
roadsign
round
safety
sign
signage
signal
sky
space
square
street
symbol
traffic
transportation
travel
warning
white
work