In the left column you can find a list of all the countries in Asia whose cities has Metro, underground,
subway or urban trains.
On each tab you will find information about the metro system
of each city: zone maps, length, line numbers, stations schedules, fares and tickets, payment systems accepted, owner and operator, average and max speed,
date of opening, link to the official site and more, as this guide of metros is being updated constantly.
To zoom in the map, you just have to click on it. In some tabs, you can also find subways maps available for downloading.