Fehmarnbelt portal

Fehmarnbelt: World’s longest immersed tunnel

18 km long and 40m underwater. Fehmarnbelt, the world's longest immersed tunnel, showcases innovative thinking and challenges engineering standards. Ramboll is advisor to the client, Femern A/S, within the Ramboll-Arup-TEC Joint Venture partnership.

a train driving through a green landscape in the sun

Denmark’s ERTMS rollout: The world’s largest digital rail signalling upgrade

As Europe pushes ahead with digitalising its rail networks, Denmark is leading the way with the largest nationwide deployment of the European Rail Traffic Management System (ERTMS).

Øresund Fixed Link: Strengthening the ties

The Øresund Fixed Link promotes cultural and economic cooperation between Denmark and Sweden, standing as a testament to engineering excellence, environmental stewardship, and cross-border collaboration, while also incorporating a special consideration for nature.

The golden bridge at Slussen, Stockholm

Slussen bridge: Stockholm centrepiece

We worked with design, drawings and calculations for the steel superstructure for the new bridge in central Stokcholm, through which 400,000 people pass on public transport per day.

New Storstrøm Bridge

Denmark's third largest bridge at around 4 kilometres across, the new bridge will have both regional and international importance. It will contribute to the rail corridor between Copenhagen and Germany.

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Mall of Tripla, Helsinki

The Mall of Tripla in Helsinki is one of the most challenging recently completed large scale construction projects in the capital area of Finland. It establishes a commercial concentration in the area, combining the services of a shopping centre, wellbeing and entertainment under one shared roof.

The Helsinki Airport development programme includes for example an impressive new terminal 2 with arrival and departure halls, new public transport arrangements and an extended Schengen gate area. Ramboll is the main construction engineer for the project and is responsible for the structural design, design of infrastructure, geotechnical, heating, water, ventilation, cooling, electrical, automation and traffic planning. Helsinki Airport Terminal 2 Expansion, Vantaa, Finland

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Sustainably expanding Helsinki Airport

To meet the future traffic demands and improve passenger services, we collaborated to significantly expand terminal area in Helsinki Airport. The terminal expansion project is part of Helsinki Airport development programme.

Marschbahn electrification

Electrifiying Marschbahn for a more sustainable and resilient future

The 170km Marschbahn is one of Germany’s oldest railway lines and connects Itzehoe with Wester­land on Sylt, the country’s most popular holiday island destination. The busy route is currently served by diesel locomotives and work is now underway to electrify and modernise the line – making it more sustainable and resilient.

Light rail in Helsinki, Finland

Light Rail Line 15: Keeping the Finnish capital region’s future on track

The 25-kilometre-long Light Rail Line 15 connects Helsinki with Espoo and is a significant stride towards lower carbon transportation for Finland’s capital region.

Lucerne town in Switzerland showcasing the immersed tunnel drawing

Dreilindentunnel the first immersed tunnel in the Alps

The Dreilindentunnel is a subproject under the main development programme of Lucerne Station that is one the largest railway stations in Switzerland which reached the limits of its capacity. The Swiss Railway authorities (SBB) is planning to expand the rail network with a new through going underground station to increase the capacity and shorter travel times.