traffic sign
ahead
arrow
background
black
bulletin board
caution
cautionary note
curve
danger
diamond
display
etc exclamation mark
exclamation mark
guide
icon
illustration
isolated
license
manners
mark
message
pictogram
regulation
right
road
road sign
roadsign
rule
safety
sign
signboard
speed
square
standing signboard
stop
symbol
traffic
traffic image
traffic rule
transportation
travel
turn
useless
violation
warning
warning sign
white background
yellow