 Lysaker Station is situated on the Drammen Line , 7 @.@ 00 kilometers ( 4 @.@ 35 mi ) from Oslo Central Station at an elevation of 7 @.@ 5 meters ( 25 ft ) above mean sea level . Lysaker is an elevated station with two island platforms and four tracks . To the east of the station the line runs across a bridge over Lysakerelven before the four tracks merge to two . West of the station the Drammen Line splits , with two tracks becoming the Asker Line and running into the Bærum Tunnel . 
