 It has two underground and three overground storeys and 365 premises and was built of mainly white marble.Between January and July 2004 the Central Railway Station in Sofia had served 2,323,844 passengers, or 11.8% of all in the country's railway network for that period.An average 10,910 people pass through the station daily, as well as an average 166 trains (84 arriving and 82 departing).