Oslo has one of the largest metro systems in Europe. It is known as the Tunnelbane or mainly just T-bane in Norwegian.
To find a T-bane station, just look for the blue and white logo with a "T" within a circle. There are six lines, but the network is easy enough to figure out: all lines merge together to one single tunnel through the city center, from Majorstuen through Jernbanetorget (Oslo S/Oslo Central Station) to Tøyen, and then spread out into the suburbs. A loop line runs in a circle from northern Oslo city centre to the center and back. The loop line is called "Ringen" (the ring) in Norwegian.
With rolling stock from the 1960's, the Oslo metro used to be one of the most run-down in Europe, but it has now been fully replaced with new metro trains engineered by Siemens and designed by Porsche.
When entering a T-bane station, make sure to pick the correct platform: all stations except three on the loop line (Sinsen, Storo and Nydalen) have separate entrances and separate platforms for trains going west and trains going east. If you have a paper ticket, make sure that it is valid (stamped) before entering the train. If you have an electronic ticket, you should theoretically validate the ticket before entering the train; however this is not yet enforced rigidly (but the ticket must still be valid (activated)).
The Most Frequently Asked Travel Questions about Oslo
Where To Stay & Best Hotels in Oslo - updated Apr 2024
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Oslo Travel Guide from Wikitravel. Many thanks to all Wikitravel contributors. Text is available under Creative Commons Attribution-ShareAlike 3.0, images are available under various licenses, see each image for details.