Warszawska Kolej Dojazdowa (Warsaw Commuter Railway, WKD) is a suburban light rail line in Poland's capital city of Warsaw. The line, together with its two branches, links Warsaw with the municipalities of Michałowice, Pruszków, Brwinów, Podkowa Leśna, Milanówek and Grodzisk Mazowiecki to the south-west of Warsaw.
Read more about Warszawska Kolej Dojazdowa: History, Route, Operation