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Visualisation of the Danish tunnel entrance for the Fehmarnbelt tunnel. Trains and vehicles enter and exit the tunnel.

Increased value for society

We build infrastructure, create growth and promote sustainable societal development at no cost to the tax payer.

Sustainability

Sund & Bælt is a key player in the transport sector and holds a significant responsibility for contributing to Denmark’s green transition by operating a responsible business that balances social sustainability, environmental sustainability, and sustainable corporate governance as an integral part of the company’s core operations.

Enhanced infrastructure

We link Denmark together and promote mobility

News

March 5 2026

New artwork at the Fehmarnbelt project highlights threatened toads

The Copenhagen Zoo and the Fehmarnbelt project have installed an artwork at the viewing platform “Pilen” in Rødbyhavn to illustrate the fragility of nature.

March 3 2026

Contractor tests special vessel for immersion of tunnel elements

February 27 2026

Sund & Bælt is conducting an Environmental Impact Assessment for a new airport dike

February 18 2026

Sund & Bælt cancels two tenders

"Our ambition is to build infrastructure that connects Denmark and promotes sustainable mobility for the benefit of people, business and security of supply."

Mikkel Hemmingsen, CEO at Sund & Bælt

Projects

Preliminary study of a fixed link across the Kattegat

If the Kattegat link becomes a reality, it will be the largest and most expensive construction project in Danish history.

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Østlig Ringvej

In a new project, the so-called Havnetunnel - also called Østlig Ringvej - is planned and built in Copenhagen, as part of the project: the artificial island Lynetteholmen.

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Expansion of Copenhagen Airport Station

In the coming years, we will expand the train station at Copenhagen Airport, so that there will be room for more passenger and freight trains on the railway.

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Our links

The Storebælt link and the Øresund link, and soon also the Fehmarn Belt Tunnel. As Danes, we are blessed with long, beautiful coastlines and parts of the country separated by water. With our links we get closer to each other.

Sustainability

Our purpose is to contribute to creating growth and cohesion in Denmark by running a responsible company that balances consideration for the economy, people and the environment.

Tolling contributes to green transformation of infrastructure

More than 20 years of experience and competencies in user-paid infrastructure enable us to develope the digital traffic and payment solutions of the future for sustainable infrastructure.

Live from our links

Live from the Storebælt Bridge and from the construction of the Fehmarnbelt link