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Ground-breaking ceremony for the Nordmainische S-Bahn in Frankfurt

At the end of June, the official ground-breaking ceremony for the Nordmainische S-Bahn was held in Frankfurt - an important milestone for the mobility transition in the Rhine-Main region. Implenia is building the complex inner-city section for DB InfraGO AG, which runs underground from Konstablerwache via the new S-Bahn station Frankfurt (Main) Ost (tief) to Fechenheim, to improve the connection between the east of Frankfurt via Maintal to Hanau.

The Nordmainische S-Bahn project - the construction of two additional tracks between Frankfurt, Maintal and Hanau north of the River Main - is one of the most important rail expansion and capacity projects in the Frankfurt (Main) hub. With the expansion of local transport, the Rhine-Main region is moving even closer together in order to continue to meet people's mobility needs in the future and achieve the agreed climate protection targets. Commuters and travelers will benefit from greater reliability, comfort and punctuality.

As part of this complex project, Implenia is taking on a number of tasks, including

  • The construction of several excavation pits including the "starting excavation trough"
  • The construction of the Frankfurt (Main) Ost station (deep)
  • The mechanized excavation of two tunnel tubes of approx. 1.2 km each
  • Comprehensive dewatering and special civil engineering services in an inner-city location

Following execution planning by Implenia by the end of 2025, work is expected to begin in early 2026 and be completed by 2031.

All the speakers at the ceremony were in agreement:

The extensive investments by the federal and state governments mark an important milestone for the noticeable improvement and equalization of local and long-distance transport in the Frankfurt area - with a positive effect far beyond the actual route for the entire Rhine-Main region and the Germany-wide rail network.

A strong project for more capacity, better punctuality and sustainable mobility.

Implenia is proud to be making a key contribution here with its expertise in tunnel construction, civil engineering and specialist foundation engineering.

Henning Schrewe, Head of ICS Germany, welcomes Patrick Schnieder, Federal Minister of Transport
Henning Schrewe, Head of ICS Germany, welcomes Patrick Schnieder, Federal Minister of Transport
View of the underground S-Bahn station Frankfurt (Main) Ost (deep) in cross-section (Image: ©DB InfraGO AG)
View of the underground S-Bahn station Frankfurt (Main) Ost (deep) in cross-section (Image: ©DB InfraGO AG)
Route of the section of the Nordmainische S-Bahn awarded to Implenia (Image: ©DB InfraGO AG)
Route of the section of the Nordmainische S-Bahn awarded to Implenia (Image: ©DB InfraGO AG)

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