The station was originally opened on 1 July 1924 as part of the Lilleaker Line.

[1] On 1 July 2006, Avløs, along with most of the line, temporarily closed for upgrades, and bus services were provided as an alternative.

[2] As part of the upgrades, Avløs received longer platforms capable of accommodating trains with up to six cars, similar to the majority of the metro system.

The company responsible for public transport in Oslo, Ruter, had the long-term objective of opening the Kolsås Line for Metro use again.

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