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Tunnelling Consutrction Site Stuttgart 21Tunnelling Consutrction Site Stuttgart 21

Tunnelling

CDM Smith combines detailed planning with smart solutions to master even the most complex ground conditions.

Petra Drucker

Practice Lead

Petra Drucker

Contact Petra

Smart Tunnelling Solutions for Every Ground Condition

Aerial view of Stuttgart 21 construction site with a large circular pit and surrounding buildings.

Smart Planning 

We analyse soil and groundwater conditions and take a holistic approach – ensuring maximum safety, constructability, and cost-efficiency.

Construction Methods

Whether open or closed construction, mechanical or conventional excavation – we tailor planning concepts to project-specific requirements and encountered ground conditions.

Managing Complexity

Even under challenging soil conditions or in confined urban spaces, we deliver suitable solutions. Ground improvement and ground freezing are part of our core expertise.

Guidance Every Step of the Way

From route selection and high-quality design to construction supervision, we stand by your side as a reliable partner.

Tunnel Construction – Confidence Built Underground

Every tunnel is unique. We analyse project-specific conditions and focus on constructability and quality. This results in designs that combine safety, sustainability, and cost-efficiency – even under complex ground conditions in urban environments. Whether road tunnels, rails tunnels, or infrastructure for energy and water: We develop concepts that minimise risks and ensure project success. With state-of-the-art technology and decades of experience, we guide you from the first idea to the optimal solution.

More Context. More Knowledge.

Our Insights provide in‑depth perspectives on our key topics and projects.
3D model of a factory with digital lines representing BIM technology.
Insight

Intelligent Project Delivery Through BIM Technologies

CDM Smith uses BIM to create digital models that make construction projects more efficient and transparent—from planning through to execution.

Related Practices

Interested in learning more about our capabilities? Explore our services and related practice areas.

Construction Supervision

We oversee your construction site to ensure smooth, contract-compliant, and on-schedule execution.

Geotechnics

From ground investigation to execution: Our geotechnical experts support you in every project phase with in-depth know-how and innovative methods.

Infrastructure

Forward-looking infrastructure starts with planning expertise: We assess feasibility, evaluate risks, and develop the best solutions for your project.

Special Foundation Engineering

Every construction project needs a solid foundation – we deliver special foundation and geotechnical engineering solutions for stability, safety and long-term performance.

Construction Services

Construction supervision, site management, health & safety coordination, quality assurance, and project support – all from a single source.

Energy Infrastructure

From power lines to battery storage systems – we plan, coordinate and deliver your energy infrastructure projects efficiently, reliably and future-ready.