By 2025 , Bucharest Metro Line M6 should open , connecting the airport to the Gara de Nord ( Bucharest North ) train station .
By 2025 , Bucharest Metro Line M6 integrating the airport into the Bucharest Metro network .
By 2025 , Bucharest Metro Line M6 should open , connecting the airport to the Gara de Nord ( Bucharest North ) train station , and integrating the airport into the Bucharest Metro network .