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.

Denmark’s Digital Rail Signalling Roll-out

Denmark’s ERTMS rollout is the world’s largest digital rail signalling upgrade, improving safety and reliability nationwide.

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.

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.

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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.

Rural Rail Mobility in Neckar-Alb

Revitalising a 16 km route in Germany’s Neckar-Alb to deliver 15-30 min rail service and boost rural mobility.

Bergen Light Rail Extension for Low-Carbon Mobility

The 12.7 km Bergen light rail extension boosts low-carbon mobility and liveability by cutting car traffic and shaping urban growth.

HS2 Enabling Works Contract (North)

Ramboll has played a leading role in the HS2 Enabling Works Contract (North), part of Phase 1 of the UK’s high-speed rail network. The contract aimed to de-risk and prepare the route. Works included surveys, mitigation design, and civils infrastructure.