英文關鍵字
accident
action
auto
busy
car
city
cross
crossing
crosswalk
danger
day
downtown
drive
driver
driving
fast
feet
group
hurry
intersection
leg
legs
life
lifestyle
man
markings
motion
movement
pedestrian
people
person
prevention
priority
reduction
road
rules
rush
safety
sidewalk
speed
street
town
traffic
travel
urban
view
walk
walking
wheel
zebra