The tunnels are growing day by day – here’s everything that’s good to go
You might not be able to tell from above ground, but every day the Stockholm metro is getting longer. Here are the places where the tunnels have already been completed.
The metro is being extended to both the north and the south – and from several directions at once. Work on the Blue line to Barkarby was begun first, and this is also the stretch with the most progress to report. All that remains to be done here is tunnel work at Akalla station and the blasting of the last 150 metres under the Barkarby shopping area. Following this, work will continue on transforming the caverns and bare tunnels into the new metro.
As for the metro to Arenastaden, a fair bit of blasting work remains to be done. The new station in Hagastaden is the focus of the most intense work at the moment. Here, the tunnel is nearing Vasastan on its way to connect to the existing tunnels at Odenplan.
The largest part of the expansion is the Blue line from Kungsträdgården to Nacka, Södermalm and Söderort. Here, work is conducted from eight access tunnels at the same time. The access tunnels lead down to the underground rail tunnels and allow excavated rock, machinery and personnel to be transported between the surface and the underground construction sites.
On this stretch, the tunnel is nearing Ladugårdsviken, Saltsjön and Hammarby Canal. Here, the tunnels will be built into the bedrock under the water. Read more about building under water.
A lesser known part of the expansion is the depot in Högdalen, which needs to be expanded along with the metro. Here, work will soon be completed on the access tunnel in Hökarängen, which is needed to build an underground train yard and a new rail tunnel between the depot and Farstagren station on the Green line.
See where we’re currently blasting
You can see the progress made on each active construction site on a map. These maps are updated once a month and allow you to see roughly where work is currently under way.
When the new metro will be ready
Blue line to Barkarby: 2026
Metro to Arenastaden: 2028
Blue line to Nacka, Södermalm and Söderort: 2030
Expanded depot in Högdalen: 2026
Metro to Älvsjö: Currently being planned. When it will be in service is yet to be decided.
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