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HOCHTIEF Group is a global, integrated, and diverse organisation that develops, invests in, designs, constructs, and operates projects in advanced technology, energy transition, sustainable mobility, critical minerals, natural resources, social infrastructure, and large-scale civil engineering.

Bad Cannstatt Tunnel, Stuttgart, Germany

For the Bad Cannstatt Tunnel and within the framework of the Stuttgart 21 rail project, underground lines with a length of around eight kilometers are being mined for future urban rail and long-distance rail traffic. The tunnel is to connect the main railway station with the new Neckar Bridge. After the tunnel heading works—completed in 2020—the inner shell and the railway systems will be put in place. To protect the hermit beetle, it was necessary to partially change the plans for the project.

Facts

Contract start 2012
Breakthrough of eastern tube: 2016
Breakthrough of long-distance railway tube: 2020
According to traffic forecast, around 24,000 travelers per day are expected in 2025

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