Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Hauger is a station on the Kolsås Line (line 6) on the Oslo Metro system. It is between Kolsås and Gjettum, 16.5 kilometers (10.3 mi) from Stortinget. It serves the neighborhood Hauger and the mainly industrial area Rud. Two upper secondary schools Rud and Rosenvilde are located in its vicinity. The station was opened January 1, 1930 as part of the tramway Lilleaker Line. Along with most of the line, Hauger has been closed for upgrades since 1 July 2006 and its service is temporarily provided by bus route 42.