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Seeing trams not just as a mode of transport, but as part of the green city of the future

Denmark’s trams: pioneers on green tracks – what can Berlin learn?

In Denmark, cities such as Aarhus and Copenhagen are increasingly opting for green tram routes – which are not only visually appealing but also benefit biodiversity, help reduce heat and improve quality of life. The routes are landscaped with native plants that attract insects and improve the microclimate.

Comparison with Berlin:

Whilst Berlin is experimenting with the expansion of its tram network (e.g. the #Tangentiale) and initial pilot projects such as the ‘Green Wave’ for cycle paths, the systematic greening of rail infrastructure still lags behind the Danish models. Yet the potential is huge: particularly in densely built-up neighbourhoods, greened tracks could reduce noise, trap particulate matter and mitigate heat islands.

Conclusion:

Denmark shows how modern mobility and environmental improvement go hand in hand. It is time for German cities – Berlin in particular – to follow suit and view trams not just as a mode of transport, but as part of the green city of the future.


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Rail Link Dublin:Innovative measurement, control and regulation systems for the DC traction power monitoring technology of the future

Our next stop took us to Dublin – a city that not only captivates visitors with its vibrant culture and picturesque scenery, but is also regarded as the gateway to Ireland’s future modern rail infrastructure. We would like to express our gratitude for the opportunity to showcase our WITT-Bridge MSR (measurement, control and regulation) systems at Rail Link.

Ireland is committed to innovation

The Emerald Isle is embracing cutting-edge systems technology – particularly in the fields of energy supply and railway infrastructure monitoring. On platforms, power is usually only available for electric DC trains. This is where our ultra-low-energy components come into play: whether VLDM (Very Low Power Data Modules), the continuous monitoring of SDS (safety and diagnostic systems) or HVL (high-voltage lines) – our solutions operate efficiently using power supplies via batteries, auxiliary voltages or directly from the traction current.

Focus on sustainability and efficiency

With our technologies, we are helping to make rail infrastructure in Ireland and around the world even more reliable, safer and more energy-efficient. The Rail Link in Dublin was not only an exciting journey for us, but also an important step in showcasing our innovative solutions to an international audience.

Would you like to find out more about our measurement, control and regulation systems for DC traction power monitoring? Please get in touch – we’d be happy to advise you!

Irland the Emerald Isle
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The Vienna Railway Colloquium has been a fixture in the railway industry’s calendar for decades – and now for WITT Solutions too

In 2026, the event once again offered fascinating insights into current projects, technological advances and the future of rail transport. The Austrian Transport Research Society (ÖVG) makes it possible.

This year’s event focused on digitalisation, sustainability and improving efficiency in rail transport. Experts from academia, industry and politics discussed the challenges and opportunities facing the sector. Particular attention was paid to the integration of new propulsion technologies, the optimisation of transport networks and ensuring the competitiveness of rail transport in Europe.

The event not only provided professional insights but also offered valuable opportunities for personal discussion and networking with industry colleagues.

Managing Director Klaus Gradischek attended the event on behalf of WITT Solutions GmbH with great enthusiasm and interest.

We look forward to the next one Eisenbahnkolloquium

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Infrastructure 4.0 with WITT Bridge systems.
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Railway infrastructure monitoring
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Thank you very much for the successful collaboration! BTH & WITT Solutions GmbH

Prof. Dr. Merkel / Klaus Gradischek

We would like to extend our sincere thanks to Prof. Dr Merkel from BHT Beuth University of Applied Sciences Berlin, as well as to Mr Klaus Gradischek and the entire team at WITT Solutions, for the excellent guidance and support they have provided to our two students as part of their bachelor’s theses in electrical engineering.

Thanks to the close collaboration between the university and WITT Solutions GmbH, not only were innovative solutions developed, but valuable practical experience was also gained. The successful defence of the theses underscores the commitment of all those involved and is testament to the fruitful combination of theory and practice.

A special thank you goes to the students for their motivation, expertise and perseverance throughout their electrical engineering studies – we are proud of your achievements and wish you all the best for your future careers!

Prof.Dr. Merkel Klaus Gradischek

“Theory meets practice – and a good relationship”

With plenty of expertise, patience and the odd laugh during their studies (or in front of the camera), they have not only helped produce two successful final-year projects, but have also shown that electrical engineering can be not only fascinating, but also a lot of fun!

We are already looking forward to welcoming the next cohort of electrical engineering students and to the exciting project work – and, of course, to many more shared successes