access
approve
banner
button
caution
color
control
danger
element
forbidden
go
green
highway
icon
illustration
informative
intersection
isolated
light
navigation
object
octagon
ok
placard
ready
red
reflection
regulate
regulation
road
roadsign
safety
security
set
sign
signal
start
stop
street
symbol
traffic
trafic
transport
transportation
wait
walk
warning
white
yellow