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Milestone for the Track Foundation Train: Official Approval and Unlimited Operating Permit

The Track Foundation Train has received official approval from the German Federal Railway Authority and an unlimited operating permit from DB InfraGO.

On 5 December 2025, the time had come: the Track Foundation Train (Gleisgründungszug, GGZ) was officially approved by the German Federal Railway Authority (EBA). Just a few days later, on 8 December 2025, it was granted an unlimited operating permit by DB InfraGO.

This approval represents a significant milestone for our Track Foundation Train. It strengthens our path toward an innovative future in rail-based specialist foundation engineering and at the same time confirms the potential of this unique system.

Foundation Construction Train carrying out bored pile foundation works

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With this, the final formal step has been completed – our Track Foundation Train, or GGZ for short, is now permanently approved for operation across the entire German rail network.

We are proud of what has been achieved and would like to thank everyone who supported us along the way. Special thanks go to Techne Kirow for their expertise and reliability, as well as to RTG Bauer for their commitment and technical know-how. Our thanks also extend to all other partners involved who contributed to this success with perseverance, courage and professional expertise.

The approval by the German Federal Railway Authority and the unlimited operating permit from DB InfraGO are not only a success for HERING, but also an important contribution to a more modern, efficient and high-performance rail infrastructure in Germany.

In this context, our new image video demonstrates how cutting-edge technology, a well-coordinated team and a clear commitment to innovation shape the work of HERING Grundbau GmbH.


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