Mortensrud is a rapid transit station on the Østensjø Line of the Oslo Metro. It is located in Mortensrud in the Søndre Nordstrand borough of Oslo, Norway. Construction of the station started in 1995, which was taken into use on 24 November 1997, when it became the terminal station of the line—following a 2.4 kilometres (1.5 mi) extension from Skullerud. The extension cost NOK 215 million to build, and most of the section is in tunnels. The station is built in concrete, wood and stone, and cost NOK 35 million. It is served by line 3, in addition to being an important bus terminal for the borough, including a feeder service to Bjørndal. Travel time along the 13.6-kilometre (8.5 mi) section to the city center is 24 minutes. In 2001–02, the station had 2,077 daily boarding passengers. The sta