Connecting cities and regions for a greener future

We are a cross-border organisation working to create a new green megaregion in Northern Europe.

Our Area


  • 4 countries
  • 8 regions
  • 5 cities
  • 3 metropolitan areas
  • 14 million people

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Our vision

The new megaregion

We work to create a megaregion because there is strength in numbers. We strive to be a globally acknowledged Green Hub and a leading implementer of sustainable infrastructure to combat climate change while improving the lives of our citizens.

STRING is a political cross-border organisation with following members:

Key Areas

Our most important initiatives

Green Hub

We work to foster an excellent business and innovation environment for low carbon economy solutions to attract investments, competencies and create sustainable growth in Northern Europe.

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Hydrogen Corridor

In an effort to decarbonise the EU transport system, STRING is establishing a refuelling station network for hydrogen lorries from Hamburg to Oslo along the EU ScanMed TEN-T corridor.

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Fehmarn Belt Fixed Link

We work to maximise the benefits of the Fehmarn Belt Fixed Link, which will be a game changer in improving connectivity in our region.

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Railway: Gothenburg – Oslo

We work to improve the existing railway stretch between Gothenburg and Oslo to include double tracks.

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Fixed Links across Öresund

We work to ensure new fixed links across the Öresund to account for increased traffic flows in the wake of the Fehmarn Belt Fixed Link.

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Mapping of bottlenecks

We work to identify and eliminate key bottlenecks in the ScanMed TEN-T corridor between Hamburg and Oslo.

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Latest tweets

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News and Reports

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Cross-border Barriers
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How we work

All the members participate at meetings and at different level working groups to set and deliver a common agenda for the region. The STRING Secretariat forms the permanent organisation, and the Secretariat’s task is to facilitate and create the best possible framework for implementing the initiatives.

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