The great metro upgrade

In 2025, several major upgrades will be made to the Oslo and Bærum metro network. During certain periods, there will be bus services replacing the metro on various routes, and Majorstuen station will be closed for parts of the year.

Which metro lines are closing, and when?

Some lines will be closed, and a replacement bus service will be provided for the metro on the affected routes. We understand that this may create challenges in your daily commute, and we are working hard to offer you a good alternative throughout all phases of the upgrade.

See how the upgrade affects your specific line and itinerary throughout the year.

Check our interactive map

Detailed overview

We update this overview regularly. Dates are subject to change.

March 28–November 3: Lines 2 and 3

Line 2 Østerås–Ellingsrudåsen

  • The metro only runs between Østerås and Borgen and between Stortinget and Ellingsrudåsen.
  • On the Østerås–Borgen route, the subway runs with departures every 15 minutes, which means there are fewer departures than usual.
  • Bus 2B replaces the metro between Borgen and Majorstuen. Departures every three minutes.

Line 3 Kolsås–Mortensrud

  • The metro only runs between Kolsås and Borgen and between Stortinget and Mortensrud.
  • Bus 2B replaces the metro between Borgen and Majorstuen. Departures every three minutes.

Extra buses during rush hour

Bus 45/45X – Increased capacity during rush hour:

45X runs only between Majorstuen-Hovseter. Morning: from Hovseter towards Majorstuen. Afternoon: from Majorstuen towards Hovseter.

Bus 46/46 – Increased capacity during rush hour:

46X only operates between Majorstuen and Ullerntoppen. Morning: from Ullerntoppen towards Majorstuen. Afternoon: from Majorstuen towards Ullerntoppen.

Bus 140E and 150 – Increased capacity in the morning.

Bus 150E – Will be stopping by Bekkestua and enhancing the service there during the morning rush.

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August 11–September 19: Majorstuen Station

Line 1 Frognerseteren–Helsfyr

Majorstuen station is closed for boarding and alighting. All trains will pass by without stopping.

Note: From 11 to 18 August, Line 1 is cancelled between Skogen and Frognerseteren. A maxi taxi operates between Holmenkollen and Frognerseteren. Check the journey planner or the Ruter app.

Line 2 Østerås–Ellingsrudåsen

Closed between Borgen and Stortinget.

Line 3 Kolsås–Mortensrud

Closed between Borgen and Stortinget.

Line 4 Vestli–Bergkrystallen

Majorstuen station is closed for boarding and alighting. All trains will pass by without stopping.

Line 5 Sognsvann–Ringen–Vestli

Majorstuen station is closed for boarding and alighting. All trains will pass by without stopping.

Collapsed
September 7: Lines 1–5

Line 1 Frognerseteren–Helsfyr

Closed between Frøen and Bergkrystallen

Line 2 Østerås–Ellingsrudåsen

Closed between Borgen and Stortinget.

Line 3 Kolsås–Mortensrud

Closed between Borgen and Stortinget.

Line 4 Vestli–Bergkrystallen

Closed between Storo and Stortinget.

Line 5 Sognsvann–Ringen–Vestli

Closed between Ullevål Stadium and Stortinget.

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September 8: Lines 4 and 5

There will be some changes to lines 4 and 5 during both daytime and evening hours.

Daytime:

Lines 4 and 5
Veitvet station (westbound towards Vestli) is closed for boarding and alighting. The metro will pass without stopping.

After around 9:00 p.m.:

Lines 4 and 5
Stortinget station and Veitvet station (westbound towards Vestli) are closed for boarding and alighting. The metro will pass without stopping.

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September 9–14: Lines 1–5

Majorstuen station is closed for boarding and alighting. All trains will pass by without stopping.

Line 1 Frognerseteren–Helsfyr

Closed between Helsfyr and Bergkrystallen

Line 2 Østerås–Ellingsrudåsen

Closed between Borgen and Stortinget.

Line 3 Kolsås–Mortensrud

Closed between Borgen and Stortinget.

Line 4 Vestli–Bergkrystallen

Closed between Ryen and Bergkrystallen

Line 5 Sognsvann–Ringen–Vestli

Majorstua station is closed for boarding and alighting.

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September 15.-24: Lines 1–5

In the evening, several sections are closed from around 9:00 p.m.

Line 1 Frognerseteren–Helsfyr

Closed between Frøen and Bergkrystallen

Line 2 Østerås–Ellingsrudåsen

Closed between Borgen and Stortinget.

Line 3 Kolsås–Mortensrud

Closed between Borgen and Stortinget.

Line 4 Vestli–Bergkrystallen

Closed between Storo and Stortinget.

Line 5 Sognsvann–Ringen–Vestli

Closed between Ullevål Stadium and Stortinget.

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September 25 – Oktober 15: Lines 2–5

After around 9:00 PM:

Line 1 Frognerseteren–Helsfyr

Running as normal

Line 2 Østerås–Ellingsrudåsen

Closed between Borgen and Stortinget.

Line 3 Kolsås–Mortensrud

Closed between Borgen and Stortinget.

Line 4 Vestli–Bergkrystallen

Cancelled

Line 5 Sognsvann–Ringen–Vestli

Closed between Rødtvedt and Tøyen, and Tøyen and Sinsen.

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October 16-19: Line 1-4

During the day, the metro runs as usual, except for lines 2 and 3 which are closed between Borgen and Stortinget.

After around 9:00 PM:

Line 1 Frognerseteren–Helsfyr

Closed between Helsfyr and Bergkrystallen.

Line 2 Østerås–Ellingsrudåsen

Closed between Borgen and Stortinget.

Line 3 Kolsås–Mortensrud

Closed between Borgen and Stortinget.

Line 4 Vestli–Bergkrystallen

Closed between Ryen – Bergkrystallen.

Line 5 Sognsvann–Ringen–Vestli

Runs as usual.

Collapsed
October 21-24: Line 2-5

During the day, the metro runs as usual, except for lines 2 and 3 which are closed between Borgen and Stortinget.

After around 9:00 PM:


Line 1 Frognerseteren–Helsfyr

Runs as usual

Line 2 Østerås–Ellingsrudåsen

Closed between Borgen and Stortinget.

Line 3 Kolsås–Mortensrud

Closed between Borgen and Stortinget.

Line 4 Vestli–Bergkrystallen

Closed between Nydalen and Stortinget.

Line 5 Sognsvann–Ringen–Vestli

Closed between Sognsvann - Stortinget and Nydalen - Stortinget.

Collapsed
October 27-31: Lines 2, 3 and 5

During the day, the metro runs as usual, except for lines 2 and 3 which are closed between Borgen-Stortinget.

After around 9:00 PM:


Line 1 Frognerseteren–Helsfyr

Runs as normal

Line 2 Østerås–Ellingsrudåsen

Closed between Borgen and Stortinget.

Line 3 Kolsås–Mortensrud

Closed between Borgen and Stortinget.

Line 4 Vestli–Bergkrystallen

Runs as normal

Line 5 Sognsvann–Ringen–Vestli

Closed between Sognsvann and Ullevål stadion.

Collapsed
November 4.- 12: Line 2 and 3

Linje 2 Østerås–Ellingsrudåsen

Closed between mellom Makrellbekken and Stortinget.

Linje 3 Kolsås–Mortensrud

Closed between Montebello and Stortinget.

Collapsed
November 4 - December 1: Stortinget closed

Stortinget station is closed for boarding and alighting. All trains will pass by without stopping.

Collapsed
November 29 - 30: Line 1 and 4

Line 1 Frognerseteren–Helsfyr

Closed between Helsfyr og Bergkrystallen.

Line 4 Vestli–Bergkrystallen

Closed between Ryen – Bergkrystallen.

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Why is the metro being upgraded?

The metro is being upgraded to provide you with faster travel and more frequent departures. That's why we call the project 'The great metro upgrade'. The upgrade consists of three major projects:

  • Upgrade of Majorstuen station
  • Connection of the Fornebu Line to the existing metro network
  • Installation of new signaling and interlocking system (CBTC)

Sporveien and Fornebubanen are carrying out the work, which will provide Oslo with a more modern and efficient metro network.

Majorstuen Station

Majorstuen is one of the most important stations on the Oslo Metro. The upgrade will make it easier to travel, allow for more departures, and increase capacity.

The new station will receive

  • larger platforms with more space
  • multiple accesses to the station
  • a new pedestrian and bicycle bridge for safer and faster crossing

With the new signaling system, the upgrades will facilitate a capacity of 36-40 trains per hour in each direction through the downtown tunnel.

More about Majorstuen station on Sporveien's website

Fornebubanen

The Fornebubanen is a new metro line from Fornebu to Majorstuen, via Lysaker and Skøyen. When the line is connected to the current metro network, travelers will have a direct route between Fornebu and Oslo. This will strengthen public transport options, relieve car traffic in the area, and provide more people with an environmentally friendly travel alternative.

More about the Fornebu Line on the Oslo municipality's website

New signaling and control system (CBTC)

Sporveien is installing a new digital signal and safety system called CBTC (Communication-Based Train Control). This will allow trains to run closer together and more frequently, providing passengers with more departures.

More about signaling systems on Sporveien's website
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