Gardermobanen is a high-speed line running from Oslo via Gardermoen Airport to Eidsvoll . Flytoget , a high-speed rail train , is the main connection from central Oslo to the airport. The track is two-track and 64 kilometers long. Due to major water damage, the track was put into use only a year after the opening of Gardermoen Airport on October 22, 1999. The track is also used by local and freight traffic. There are five stations on the track.