auto
automobile
brake
bumper
business
busy
capital
car
city
collapse
common
commute
congestion
crash
crowded
drive
driving
frustrated
frustration
fuel
gasoline
hanoi
heavy
highway
hour
jam
late
line
motion
movement
pollution
road
row
rush
scene
slow
stop
street
stress
stuck
tail
traffic
transport
transportation
travel
urban
vehicle
vietnam
waiting