blue
bright
building
city
clear
close
closeup
color
colorful
communication
control
copy space
crossroad
danger
day
halt
icon
intersection
language
law
message
object
octagon
outside
pole
post
prohibit
red
road
roadside
roadsign
safety
sign
signage
sky
stop
street
symbol
text
thailand language
traffic
transportation
travel
urban
warning
white
word