Mortensrud is a rapid transit station on the Østensjø Line of the Oslo Metro.

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.

The station serves the surrounding residential area, as well as an adjacent shopping center.

The 2.4-kilometre (1.5 mi) extension is built to allow speeds of 100 kilometres per hour (62 mph), and represents a considerable longer distance between stations than what is normal on the network.

Mortensrud is an open station without any barriers and free access from the bus stops.

It is built in concrete, covered in red brick, steel, natural rock and wood, that will allow lianas to grow on them.

The rapid transit serves the station every 15 minutes, except in the late evening and on weekend mornings, when there is a 30-minute headway.