Mumbai is the city which is most car congested. The density of private car rose around 18%in just two years.
Presently around 500 cars are there for every kilometre of road.
Pune has 359 cars/ km
Kolkata has 319 cars/ km
Chennai has 297 cars / km
Bangalore has 149 cars/ km
Delhi has 108 cars / km
Private vehicles are the impediment in the growth of public transportation. And it becomes difficult to drive in such a city.
But it is also, people are generally not satisfied with public transportation, therefore they are forced to buy their own vehicle.