Koleje Mazowieckie, founded in 2004 and headquartered in Warsaw, is the regional rail operator running R-lines and RE-lines across the Masovian Voivodeship, inc Poland Łódź Railway Hub Modernisation · PKP PLK · News
Koleje Mazowieckie, founded in 2004 and headquartered in Warsaw, is the regional rail operator running R-lines and RE-lines across the Masovian Voivodeship, including dense commuter services into Warsaw. It has been wholly owned by the Masovian Voivodeship regional government since the end of 2007.