英文關鍵字
amountoftraffic
asphalt
auto
autobahn
carowner
cars
citytraffic
congestedtraffic
flowoftraffic
freightcar
gridlock
highway
highwaybridge
jamoftraffic
lane
lorry
machine
medianstrip
movingtraffic
passengercar
road
roadbridge
ruleofroad
singlelaneroad
street
streettraffic
town
traffic
trafficlight
trafficpath
transport
truck
vehicle