Warsaw Centralna (Polish: Warszawa Centralna) is the most important railway station in Warsaw, Poland. Its construction began in 1972 and was completed in 1975. The station, located on the Warsaw Cross-City Line, has four underground island platforms (eight tracks in total) and is served by long-distance domestic and international trains of PKP Intercity and Przewozy Regionalne as well as some of the regional trains operated by Koleje Mazowieckie

Source: wikipedia.org (http://en.wikipedia.org/wiki/Warsaw_Centralna_(PKP_station))