“Koleje Mazowieckie-KM” sp. z o.o. is the first polish self-government-railway company. The provincial administration of Województwo Mazowieckie and “PKP Przewozy Regionalne” are the company contributors in 95% and 5% respectively. The seat of company is in Warsaw. Koleje Mazowieckie has at his disposal the railway rolling stock consisting of 184 electric trains units EN-57 and EW-60 types. Moreover the company offers 11 rail Buses VT 627 and VT 628 types. The total length of railway lines attended by the Koleje Mazowieckie is far over 1000 km. More then 600 trains are set in motion a day and night. 3 millions of passengers are traveling every month. Koleje Mazowieckie is ambitious to achieve a good standard and aspirates to be modern, competitive and attractive for traveling people.