On Tuesday, March 18, the Region Stockholm’s traffic committee decided that the subway between Fridhemsplan and Älvsjö will receive a new traffic management system, automatic operation, ballastless track – and platform screen doors.
Today, October 10, Region Stockholm presented its budget for the upcoming year. It allocates SEK 50 million over two years for a localization study on a metro line to what is referred to as Bromma Parkstad – the current site of the airport.
Where is more public transportation needed, and is light rail or metro the better choice? The first study on further expansion of rail-based public transportation is now complete. A proposal to continue investigating 12 different routes has been submitted to regional politicians.
At Gullmarsplan, part of the rock had to be frozen in order to finish building the track tunnel. Now that the rock has reached the right temperature, the blasts are in full swing.
On Tuesday 26 September, Region Stockholm’s traffic committee decided that the metro line to Älvsjö will have unattendes train operation – for the first time in Stockholm.
A new tunnel is being built between Hökarängen and Högdalsdepån so that the depot can receive trains from both the Green Line to Farsta and to Hagsätra which in the future will be part of the Blue Line. Join us under ground to see how it goes.
What is a depot? And why does this one need to be expanded? These are just a couple of the questions that are answered in a new video about what is sometimes referred to as “the heart of the metro system”.
For the first time, we now have images showing what the interior of Sofia station will look like, as well as the new areas at Gullmarsplan, the ticket halls in Nacka and the platforms at Slakthusområdet station and Järla station.
There will not be a Yellow Line to Arenastaden, there will be a Green Line instead. However, the yellow colour will not be disappearing from the future metro map. Instead, it will become the colour of the metro line to Älvsjö.
Could there be a need for a metro service to Fagersjö, Tyresö or Bromma Stockholm Airport? These are three of the possible routes that Region Stockholm will now look into.
Three new metro stations and underground tunnels are being built in Nacka. A lot of work takes place underground and behind closed fence. So how is the expansion going?
Machines are many but workers few. Much has been mechanised since the last expansion of the metro. But one thing is the same. The heavy work of pushing in several metre-long bolts to secure the tunnel roof is still done manually. However, deep under Södermalm, experiments are under way to mechanise this procedure.
It’s getting warmer but Mårtensdal awaits freezing temperatures underground. Here an area of fractured rock will be frozen so that new tunnels can be blasted out.
So far, all metros in Stockholm have been built by blasting out the tunnels and sealing them by injecting cement into drilled holes in the rock. However, for the independent line between Fridhemsplan and Älvsjö, the approach is to use a tunnel boring machine instead.
A record number of tunnels are currently being drilled and blasted out. The high number is due to the several different types of tunnels that are being built, and because the tunnels are growing in a number of different directions.
All access tunnels for the new metro have met and exceeded their climate goals. This is the outcome of an evaluation of the climate aspects of the tunnel construction work. All in all, various measures taken within the projects have saved more than the equivalent of 6,000 tonnes of carbon dioxide emissions.
Arenastaden, Barkarby, Fridhemsplan, Nacka and Älvsjö will be new terminus stations once the metro has been expanded. However, they need not be in the future.
When you think of the metro, you probably think of the rail tunnels used by the trains. However, there is so much more to it than that. Here, project manager Malin Harders reveals all that we are building underground – the entire patchwork.
In Stigbergsparken on Södermalm, work is under way to install a support structure for the lift shaft to be built for the new Sofia metro station. The support structure will act as a protective wall around the shaft to prevent the surrounding soil from collapsing and to prevent any change in the groundwater level.
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 last tunnels for the Blue Line to Barkarby are currently being blasted. Parallel to this, bare caverns are being converted into the new metro. One word covers the first step: concrete.
In several places, the new metro will run through the bedrock under water. Construction under water is conducted much the same way as anywhere else, although it does requires good familiarity with the geology.
Although it will be many years before the Älvsjö–Fridhemsplan metro line is up and running, many important steps need to be completed long before then. One of these is where the trains operating the new line will be cleaned, serviced and repaired.
Take a peek behind the hoardings to see the work on the new metro – both above and below ground. Under Your Feet (Under dina fötter in Swedish) is now here, a series of videos offering insight into the process of building new metro lines and stations.
The end of the year is approaching and everything is about to be summed up. If you look at how many of our procurements that are ready, ongoing and still left to do, it looks like this.
