2020 Shanghai subway

It's not going to just Shanghai subway by 2020. It's going to be a massive railroad system spanning at least 75 to 100KM outside of Shanghai. People by then can live in one province and work in Shanghai, to commute everyday. Take a look at this map. Sorry it is not clear as it is from the online newspaper; they scanned in using poor resolution and then stretched it out.

The number 11 line will stretch all the way to KuanShan, a city where it takes about an hour drive north of us.