Storo is a rapid transit station on the Ring Line of the Oslo Metro, and a tram station on the Grünerløkka–Torshov Line of the Oslo Tramway. It is located at Storo in the Nordre Aker borough of Oslo, Norway. The tram station opened on 28 November 1902, and the rapid transit station on 20 August 2003. Metro lines 4, 5 and 6 run to the station, with line 5 terminating there. The tram station serves lines 11, 12 and 13. The station is within walking distance of Grefsen Station on the Gjøvik Line.