References

Major projects

Three major transport infrastructure projects in which PM CTRL or its founder contributed project management and schedule and cost control. Each project is labelled by contractual relationship.

Fehmarn Sound Bridge across the Fehmarn Sound, seen from Wulfener Hals

Photo: S. Möller, Wikimedia Commons, public domain, cropped

PM CTRL reference

Fehmarn Sound crossing – combined road/rail immersed tunnel

Immersed tunnel, approx. 2.2 km, four lanes and two tracks

New crossing of the Fehmarn Sound as part of the hinterland connection of the Fehmarn Belt Fixed Link. DB InfraGO and DEGES deliver the project jointly as an alliance; the alliance contracts were signed in November 2025.

Client (owner)
DB InfraGO AG and DEGES (alliance)
Contract with
Arup Deutschland GmbH (PM CTRL as subcontractor)
Role
Schedule control within the engineering consortium · 07/2026 – present
Volume
Contract packages approx. €1.8 bn (cost estimate DB InfraGO/DEGES, Q1/2024)

The photo shows the existing Fehmarn Sound Bridge at the project site; the tunnel has not yet been built.

A100 section 16 construction site, aerial view

Photo: Thomas Rosenthal

Founder's reference

A100 – section 16 – Berlin

Inner-city motorway, approx. 3.2 km, trough, tunnel and bridge structures

Berlin's largest transport infrastructure project, managed through to opening.

Client (owner)
Die Autobahn GmbH des Bundes
Contract with
KREBS+KIEFER Ingenieure GmbH (founder, freelance)
Role
Project management under AHO, project stages 3 and 4 · 02/2022 – 12/2025
Volume
approx. €764m gross

Sub-projects: Major Project A100 – 16th Construction Phase – Berlin · EÜ RIN 01, a part of the Megaproject: A100 – 16th Construction Phase – Berlin · Grenzallee Tunnel (A100 – 16th Construction Phase) – Berlin

Filstal Bridge on the Wendlingen–Ulm line

Photo: iStock.com/Uwe Moser

Founder's reference

Stuttgart 21 / Wendlingen–Ulm high-speed line – section 2.2 Albaufstieg

High-speed railway line, bridge and tunnel structures

Albaufstieg section of the new line with the Filstal Bridge, Boßler Tunnel and Steinbühl Tunnel.

Client (owner)
Deutsche Bahn
Contract with
DB Projekt Stuttgart–Ulm GmbH (founder, employed)
Role
Schedule and cost management · 04/2016 – 03/2020
Volume
Sub-projects approx. €1.0 bn (Filstal Bridge, Boßler Tunnel, Steinbühl Tunnel)

Sub-projects: Filstal Bridge, part of the Wendlingen–Ulm high-speed rail line (Stuttgart 21 programme) · Boßlertunnel (Stuttgart–Ulm / Stuttgart 21) – Baden-Württemberg · Steinbühltunnel (Stuttgart–Ulm / Stuttgart 21) – Baden-Württemberg

Labels: “PM CTRL reference” marks services of PM CTRL UG, here as a subcontractor. “Founder reference” marks services of Sergius Winter before the company was founded, as a freelancer or employee.

Sources Fehmarn Sound crossing

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