arrow
auto
blank
board
caution
ce
circle
city
clean
collection
danger
direction
empty
flat
frame
green
group
highway
icon
illustration
information
isolated
limit
metal
object
parking
realistic
red
road
roadside
roadsign
safety
set
shape
sign
signage
signal
signpost
speed
stop
street
symbol
traffic
transport
travel
triangle
vertical
warning
white