That’s just incredible. Here in D.C. the metro opened in 1976. Recently, we have been trying to build one simple train line from the city to the main international airport — a feat that seems to be ...

The revamped map also has some new Metro lines, including the Airport Link Line, Nanhui Line, and extensions of line 2, 13, 17 and 18, all of which are under construction now.

Shanghai's transit system is already admired as a model in China, with its expanding metro map, the maglev super-express train to the Pudong airport, and high ridership in the bus network.