英文關鍵字
adult
auto
blank
blurry
busy
car
caution
city
concept
control
copy
crossing
day
directed
directions
driver
driving
enforcement
functional
highway
hot
intersection
isolated
jam
junction
law
light
lights
paste
people
police
regulation
road
rule
rules
safety
security
signs
space
stick
stop
street
sunny
traffic
transport
transportation
vehicle
vests
warning
way