英文關鍵字
commute
direction
freeway
exit
above
fast
traffic
connection
truck
route
high
expressway
crowded
motorway
automobile
road
interstate
vehicle
drive
urban
top
overhead
intersection
crossing
heavy
junction
auto
highway
america
many
crossroad
avenue
infrastructure
car
interchange
speed
usa
roadway
transport
transit
busy
street
transportation
safety
lane