>It is San Francisco, London, and New York that are the outliers. You should have limited that list to the US, in Europe many other capitals and big cities hav

>It is San Francisco, London, and New York that are the outliers. You should have limited that list to the US, in Europe many other capitals and big cities have extensive public transportation networks that are used as primary means of transport in the city by a wide range of the population, in a wide range of journeys.