Rhomberg Bahntechnik

The best of European innovation coupled with expert know-how and extensive experience. We will fast-track your project - reliably and worldwide.


Rhomberg Bahntechnik

The best of European innovation coupled with expert know-how and extensive experience. We will fast-track your project - reliably and worldwide.

Rhomberg Bahntechnik

The best of European innovation coupled with expert know-how and extensive experience. We will fast-track your project - reliably and worldwide.

Rhomberg Bahntechnik

The best of European innovation coupled with expert know-how and extensive experience. We will fast-track your project - reliably and worldwide.

Rhomberg Bahntechnik

The best of European innovation coupled with expert know-how and extensive experience. We will fast-track your project - reliably and worldwide.


The latest press releases, unusual perspectives on the Rhomberg Bahntechnik and news about our projects - stay informed.

RhoMAT  (9)
Semi-automated track alignment system RhoMAT

RhoMAT combines several work steps while also increasing the achievable quality and does this with a considerably reduced number of staff.

Projektfilm Neubaustrecke Wendlingen-Ulm
Project video: New railway line Wendlingen-Ulm, Germany

Das Großprojekt Neubaustrecke Wendlingen-Ulm steht mittlerweile kurz vor der Fertigstellung – bereits im Dezember 2022 sollen die ersten ICE-Züge mit Passagieren mit bis zu 250 km/h über die Strecke rollen.

220311 PMO Pressemitteilung Vertragsunterzeichnung RSRG 1
New Work for the Major Project

Deutsche Bahn uses innovative contract model for the first time at the new Cottbus plant. The Rhomberg Sersa Rail Group is also aboard.

Stuttgart 21: Across the highway with rail tracks

Highway turned into "track": The Fildern joint venture (AFIL) starts the hot construction phase of 35 kilometres of slab track between the airport and the Neckar River.

Neubaustrecke Wendlingen Ulm
New high-speed line Wendlingen-Ulm

On the home straight

Joint Venture PORR and Rhomberg Bahntechnik starts track construction in the Koralm Tunnel

66 kilometres of slab track under the Koralpe: The delivery of the rails marks the beginning of the crucial rail infrastructure phase.

New high-speed line Wendlingen-Ulm

The people behind the project

PORR joint venture and Rhomberg Bahntechnik win follow-up contract for Koralm Tunnel

Synergies for the best offer: Austrian railroad specialists also take on the railway infrastructure for the ÖBB large-scale project between Carinthia and Styria.

KASIG Stadtbahntunnel – Ausrüstung und Handlauf

10 Mittelspannungsanlagen, 10 Transformatoren, ca. 800 Leuchten, ca. 8 km Kabelrinnen, ca. 60 Standverteiler, ca. 100 km Kabel und fast 6.000 Meter Handlauf werden durch die Rhomberg Bahntechnik realisiert.

Redesigning Karlsruhe

It takes a lot of construction for the tram to run

RSRG unterstützt EuroTube
Rhomberg Sersa Rail Group wants to get EuroTube on track.

Full-service rail technology provider enters partnership with non-profit research organisation from Zurich.

201015 Rhomberg Bahntechnik Stuttgart21
Rhomberg Bahntechnik, Züblin and DB Bahnbau Group win Stuttgart 21 contract

Major project: Rail technology companies lay the slab track at the new Stuttgart rail junction in a joint venture for Deutsche Bahn.

Customer Magzine “keep track“: the successful duo man - machine
ARGE Porr Rhomberg gewinnt Koralmtunnel
ARGE PORR and Rhomberg Bahntechnik connect Styria and Carinthia

From project implementation to commissioning of the high-speed line through the Koralm Tunnel: Austrian railway specialists win contract for the major ÖBB project.

High Speed Line - Cologne/Rhine­Main (Lot B)

Cologne/Rhine­Main (Lot B)

HSL Köln/Rhein-­Main

Cologne/Rhine-­Main Lot C


Heitersbergtunnel - Ballast track replacement by slab track

Ballast track replacement by slab track

200107_Betonage zweites Gleis Bözberg 2
Slab track in the Bözberg Tunnel stands

Rhomberg Bahntechnik concretes 4 km of slab track in 25 days.

Stefanie Alge
Introducing our HR

Rhomberg Bahntechnik HR Business Partner Stefanie Alge talks about her daily work.

Tunnelsanierung Bergünersteintunnel
Tunnel renovation for the Rhaetian Railway – The Rhomberg Bahntechnik Method

After the Glatschera Tunnel, Rhomberg Bahntechnik is now renovating another tunnel for the historic Albula line of the Rhaetian Railway: the Bergünerstein Tunnel (409 m).

Rail Transport Company

As a rail transport company, we are here to help you with operational services for freight traffic.

Slab Track Renovation
Slab Track Renovation

As a full-service railway infrastructure provider, we specialise in the refurbishment of slab tracks, covering all gauges and track systems.

Feste Fahrbahn
Slab Track

For more than 20 years, we have been demonstrating our competence in slab track construction systems day after day - on high-performance lines as well as on local transport networks around the world.

Elektromechanische Anlagen
Electromechanical systems


We are experts in tunnel infrastructure, including electromechanical components that are vital when it comes to safety.

Signalaussen- und Kabelanlagen
Signalling outdoor and cable systems

“Ensuring trains are properly managed and supplied”

Leit-, Sicherungs- und Kommunikationstechnik
Control, safety and communication systems

A wide variety of control and safety technology components are required to safely run a railway.

Mittelspannungsschaltanlage Transformator
Electrical infrastructure

We cover the entire spectrum of 50 Hz technology, from high-voltage distribution stations and point heating systems to track lighting and station equipment.

Rail Power Supply

We specialise in the planning, supply, installation, and commissioning of substations.

Projekte Kalkulation Ausführung
Power Supply

RK safetec offers the right power supply for every project, no matter if it’s medium or low-voltage. Both can be implemented either temporarily during your construction period or permanently after everything’s been completed. If required, the power supply can be implemented redundantly via an additional emergency power supply.

aerial photo made by drone
Construction survey, Reality capture

At Rhomberg Sersa Rail Group, we have always attached great importance to a functioning, modern surveying system.

Rail track survey for tamping
Rail track survey, precision measurements

Rhomberg Sersa Rail Group has been using railway track surveying systems for more than 20 years. They are always operated by highly experienced employees who have already aligned more than 1000km of track.

Rail Service & Logistics

We are here to help ensure that your construction site equipment and work areas, transport and material storage are all managed smoothly. All through our control centre.

Technische Beratung Projektmanagement
Consulting, design and technical advice

Our highly-qualified team are here to help no matter the project phrase. Plus, we guarantee everything will be implemented effectively.

LED Handlauf und Tunnelleuchten
LED-handrail, walkway lights and tunnel lamps

handraiLIT is an orientation and guidance system for railway tunnels with walkway lights used as an effective self-help measure in mergencies


Heberichtsystem Weiche RhoSAS
Lift and position system RhoSAS

RhoSAS is an alignment system specially developed for installing slab track switches.

Heberichtsystem RhoTAS
Track alignment system RhoTAS

Our RhoTAS modular track adjustment system includes solutions for track lifting, coarse and fine adjustment of the horizontal and vertical rail head alignment to high speed track form standards.

Universelles Übergangsmodul V-TRAS
Universal transition module V-TRAS

Our universal transition module V-TRAS (versatile transition system) represents a simple, holistic, and sustainable solution for connecting different fixed track structures to ballasted roadbeds.


Fahrbahnsystem IVES
Track system IVES

At Rhomberg Sersa, we have been building track slab railways for over 20 years and have developed the technical expertise across all the various slab track systems and alternatives.

Modernisierung Bahninfrastruktur
Modernisation of Railway Infrastructure

As a leading railway technology provider, we are not only your point of contact for the renewal and expansion of railway infrastructure, we also look after the expansion of your digital infrastructure, too.

Projekte Kalkulation Ausführung
Project delivery, major projects

We always do what’s best for the project when coming up with solutions that will take a project from start to finish.

Tunnelsanierung Bergünersteintunnel
Tunnel renovation

When it comes to the renovation, modernisation, and the safety behind upgrading railway tunnels, we combine our experience and the know-how we’ve gained from special construction projects and track-bound logistics.

Gotthard Basistunnel Sersa Group AG Schweiz
Gotthard base tunnel, Switzerland

Rhomberg Sersa Rail Group takes part in the construction of the world's longest railway tunnel

Rosshaeuserntunnel Rohbau Rhomberg Sersa Rail Group
Rosshäusern tunnel project, Switzerland

Design phase completed / Work preparation started / Start of main work in July 2017

ARGE Schwäbische Alp
Rhomberg Bahntechnik and Swietelsky Bau Joint Venture connects Ulm and Wendlingen

Design, construction and commissioning of the high-speed track across the Swabian Alb: Austrian railway specialists win contract for the Deutsche Bahn´s major project.

Thomas Bachhofner CEO Rhomberg Sersa Rail Group
"Growing further together as a Group"

Thomas Bachhofner appointed new CEO of the Rhomberg Sersa Rail Group.

Kundenmagazin Keep Track 2018
Keep Track 2018 has been published

Focal points of the content of the new issue of our customer magazine are efficient and economic solutions in railway infrastructure.

IVES Feste Fahrbahn
IVES – Slab Track

Intelligent, versatile, efficient, solid – New video documentation.

Rhomberg Bahntechnik Swietelsky Bahnbau Ulm Wendlingen
Rhomberg Bahntechnik and Swietelsky starting construction stage at the new line Wendlingen-Ulm

Track construction and railway equipment of the sub-project “Stuttgart-Ulm“ started in the Swabian Alb.

Rhomberg Sersa Rail Group Logo
Personnel Changes at the Rhomberg Sersa Rail Group

Garry Thuer becomes new CTO of the Overall Group. Robert Kumpusch follows as Managing Director Rhomberg Bahntechnik. New Managing Director Sersa Maschineller Gleisbau AG is Mirko Sennhauser.

Kundenmagazin Keep Track 2019
Customer Magazine “Keep Track“ 2019 - fresh of the press

The focus of this year's issue is on values of the Rhomberg Sersa Rail Group.

Our Location

The Rhomberg Bahntechnik employs specialists from many countries for many countries. What they have in common is their pioneering enthusiasm for the railway and being passionate about achieving the very best for our customers.



Turnover financial year 2022

EUR 150 Mil.

Members of staff (31 march 2022)

406 in 3 countries

Zurich, Switzerland

Würzgrabenstrasse 5
8048 Zürich
T +41 43 322 23 23
E info.rbt.ch@rsrg.com

Bregenz, Austria

Mariahilfstraße 29
6900 Bregenz
T +43 (0)5574 403 0
E info.rbt@rsrg.com

Vienna, Austria

Gertrude-Fröhlich-Sandner-Straße 13
1100 Wien
E info.rbt@rsrg.com

Essen, Germany

Krablerstraße 165
45326 Essen
T +49 201 946851-0
E deutschland.rbt@rsrg.com

Leipheim, Deutschland

Max-Eyth-Str. 4
89340 Leipheim
T +49 201 946851-0
E deutschland.rbt@rsrg.com

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On Track with us.
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