英文關鍵字
light
traffic
stop
urban
3d
render
warning
safety
red
isolated
regulate
danger
hd
green
full
lamp
equipment
control
direction
transportation
illuminated
color
symbol
black
yellow
sign
stoplight
semaphore
road
icon
shiny
intersection
image
guidance
forbidden
order
highway
street
electric
go
city
allow
signal
speed
art
transport
front
crossroads
object