Some people think the government should spend more money on public transport rather than building new roads. To what extent do you agree or disagree?

Nowadays, the problem of traffic become more serious in big cities. In my opinion, the government should invest more money to public transport, because it is more cheaper for ordinary people. Firstly, one bus can carry a lot of peoples, so there are less cars on the roads. Secondly the metro does not pollute the air as much as private vehicles do…