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- News / Events
- OpenTrack API
- Partners and customers
- Documents / downloads
- Further information
|June 2012||Queensland Rail purchases railway traction power supply simulation capability (press release)|
|Nov. 2013||OpenTrack supports the latest version of the standard railway data exchange format railML (railML version 2.2 for infrastructure, timetable and rolling stock data - import into OpenTrack and export from OpenTrack).|
|May 2014||OpenTrack Railway Technology Vienna participates in the FP7-Project ENHANCE|
|February 9 - 13, 2015||Sydney (Australia)||OpenTrack Training Course|
|March 5 and 6, 2015||Brisbane (Australia)||OpenTrack User Forum|
|June 11 - 13, 2015||ETH Zurich, Zurich (Switzerland)||Conference IT15.rail|
|June 12, 2015||ETH Zurich, Zurich (Switzerland)||OpenTrack User-Workshop 2015|
|July 13 - 17, 2015||Sydney (Australia)||OpenTrack Training Course|
The last OpenTrack user workshop was held in Zurich from the 17 to 19 January 2013 at the Swiss Federal Institute of Technology (ETH Zurich). In the download section of this page you will find all the presentations.
OpenTrack began in the mid-1990s as a research project at the Swiss Federal Institute of Technology. The aim of the project Object-Oriented Modeling in Railways, was to develop a catalyst for practical economic solutions to complex railway technology problems.
Today, the railway simulation tool OpenTrack is a well-established railway planning software and it is used by railways, the railway supply industry, consultancies and universities in different countries.
OpenTrack allows to model, simulate and analyze the following types of rail systems:
- High speed rail
- Heavy rail / Intercity rail
- Commuter rail systems
- Heavy haul freight
- Mining railway systems
- Metro / Subway / Underground systems
- Light rail (LRT)
- Tram / Streetcar systems
- People mover systems
- Rack railways / Mountain railways
- Maglev (magnetic levitation) systems (e.g. Transrapid)
OpenTrack supports the following kinds of tasks:
- Determining the requirements for a railway networks infrastructure
- Analyzing the capacity of lines and stations
- Rolling stock studies (for example, future requirements)
- Running time calculation
- Timetable construction; analyzing the robustness of timetables (single or multiple simulation runs, Monte-Carlo simulation)
- Evaluating and designing various signaling systems, such as discrete block systems, short blocks, moving blocks, LZB, CBTC (communication-based train control), ATP, ATO, ETCS Level 1, ETCS Level 2, ETCS Level 3 (see also: ERTMS)
- Analyzing the effects of system failures (such as infrastructure or train failures) and delays
- Calculation of power and energy consumption of train services
- Simulation of railway power supply systems (using OpenPowerNet)
Network dataOpenTrack describes a railway network in special graphs called double vertex graphs. A user can edit the networks topology graphically. Every element of the graph holds various attributes. An edge, for example, holds its length, the gradient, the maximum speed for different train categories and much more. A user can create and manage objects for edges and vertices, and also signals, switches, stations and routes. The following figure shows part of a topology.
Example of a station (Olten, Switzerland). This graphic is also available as a PDF document.
Rolling stock dataOpenTrack stores each locomotives technical characteristics, including tractive effort/speed diagrams, load, length, adhesion factor, and power systems. A database organizes locomotives into groups called depots. A simulated train uses one or more locomotives from a depot together with a number of passenger or freight cars (carriages or wagons). Trainsets are also organized in a database.
Timetable dataThe timetable database stores information for each train at each station, including arrival and departure times, minimal stop time, and connections to other trains.
A user can compare timetable and actual data either in a table or directly in the train graphic.
OpenTrack offers interfaces to general data formats (such as ASCII and XML) and to some railway-specific formats (including FBS, Protim, Simu VII and others).
|railML (Versions 1.0 and 2.2)|
|Viriato (via railML)|
|FBS (via railML)|
|OpenTimeTable (via railML)|
|Simu VII (IBS GmbH)|
|UK Planning Interface Format (.PIF-Format, Protim)|
|SimWalk (via railML)|
|Treno (via railML and Treno-Format)|
|railML (Versions 1.0 and 2.2)|
|Google Earth (station data)|
|Siemens Infrastructure Format|
|ETC Infrastructure Format|
|Infraspeed Infrastructure Format|
|Bentley Rail Track|
|Rolling stock data (tractive effort/speed diagrams)|
|railML (Versions 1.0 and 2.2)|
|SimWalk (via railML)|
OpenTrack handles single simulation runs as well as multiple simulation runs where random generators produce different initial delays and station delays.
Animation of the simulation
Screenshot of OpenTrack during the simulation. The video can be downloaded.
The modules of the simulation (this graphic is also available as a PDF document)
During the simulation, trains try to obey the given timetable. The differential equations for speed and distance are the basis for calculating a trains movement. The signaling system of the railway network poses constraints. Occupied tracks and restrictive signal aspects may impede a trains progress.
During the simulation, every train continuously stores its speed, acceleration, position, power consumption and other data. This data can be evaluated after the simulation.
The user can watch the simulation in an animation mode, which shows the trains running and lets the user analyze occupied tracks, reserved tracks and signal aspects..
Output dataAfter a simulation, OpenTrack offers a number of evaluations. Evaluations of a train, line or station are possible. For a train, OpenTrack offers diagrams such as acceleration vs. distance, speed vs. distance, and obstructions. For a line, there are evaluations in the form of diagrams of train movements, route occupation and line profiles. Every station produces output about all the trains that used it, including arrival, stopping and departure times.
The user can view output data in a diagram, or export or evaluate it in a readable ASCII table.
The OpenTrack applicationThe OpenTrack application is available for the following operating systems: Windows XP, Windows Vista, Windows 7 (32 and 64 Bit), Windows 8 (32 and 64 Bit), Mac OS X and MacOS X Server.
The application is available in two versions. The full version of OpenTrack offers an unlimited number of running trains per simulation. The limit of the OpenTrack Light version is two trains per simulation.
|Windows 8||Windows XP||MacOS X|
OpenTrack produces a number of outputs in text and/or graphic form.
Train graph (offline and online visualization). This graphic is also available as a PDF document.
Power and energy output (red:Power in, blue: mech. Power, green: energy/distance-diagram)
Occupation statistics (example: peak hour occupation percentage). This output is available as a PDF document.
A user can obtain every output in the form of ASCII text, for import into Microsoft Excel for example.
OpenTimeTable is able to visualize and analyze the outputs of multiple OpenTrack simulation runs.
OpenTrack offers an application programming interface (API) to connect other applications with OpenTrack. The other application can send standardized commands to OpenTrack and gets defined status messages back from OpenTrack. Technically, SOAP-Messages are exchanged via HTTP (SOAP over HTTP).
- Implementation of customer-specific Dispatching Algorithms
- Comparison of new Dispatching Strategies
- Development and Analysis of new Concepts in Train Control (e.g. optimizing Energy Consumption, reducing Delays and Conflicts)
- In-depth Evaluation of Railway Operations
A presentation of the OpenTrack API allows a better insight into the functionality of the API. (Download of the presentation - PDF, 2.9 MB). For further information on the OpenTrack API, please contact us.
In the OpenTrack project, our company and the Institute for Transport Planning and Systems of the ETH Zürich co-operate with a number of partners from railway companies, the railway supply industry, consultancies and universities. The following companies and institutions use OpenTrack:
Railway and metro companies, railway administrations
|Swiss Federal Railways, Bern, Switzerland||since 1999|
|REFER E.P., Rede Nacional Ferroviaria (National Railway Network)l, Lisbon, Portuga||since 2000|
|Rhaetian Railways, Chur, Switzerland||since 2002|
|TransAdelaide, Adelaide, Australia||since 2002|
|German Railways, Frankfurt a. M., Germany||since 2002|
|Finnish Rail Administration (RHK), Helsinki, Finland||since 2004|
|V/Line, Melbourne, Australia||since 2004|
|Ferrovie Nord Milano, Milano, Italy||since 2004|
|Northern Ireland Railways, Belfast, UK||since 2005|
|BLS Loetschbergbahn AG, Bern, Switzerland||since 2005|
|ProRail, Rotterdam, The Netherlands||since 2005|
|Circumvesuviana, Naples, Italy||since 2005|
|VR Track Ltd., Helsinki, Finland||since 2006|
|De Lijn, Hasselt, Belgium||since 2007|
|KiwiRail - New Zealand Railways Corporation, Wellington, New Zealand||since 2008|
|Metro Santiago, Santiago, Chile||since 2008|
|NSB, Oslo, Norway||since 2009|
|Ferrovie Nord Barese, Bari, Italy||since 2009|
|GMPTE (Greater Manchester Passenger Transport Executive), Manchester, UK||since 2009|
|Jernbaneverket (Norwegian National Rail Administration), Oslo, Norway||since 2009|
|RATP (Régie autonome des transports Parisiens), Paris, France||since 2009|
|SZDC (Czech Railway Infrastructure Administration), Prague, Czech Republic||since 2009|
|Ferrovie del Sud Est, Bari, Italy||since 2009|
|SNCF (Société Nationale des Chemins de Fer Français), Metz, France||since 2009|
|Ferrovie del Gargano, San Severo, Italy||since 2009|
|Victoria - Department of Transport, Melbourne, Australia||since 2010|
|FAL - Ferrovie Appulo Lucane, Bari, Italy||since 2010|
|Guangzhou Metro, Guangzhou, China||since 2010|
|FCU - Ferrovie Centrale Umbra, Perugia, Italy||since 2010|
|ADIFSE - Administración de Infraestructuras Ferroviarias, Buenos Aires, Argentina||since 2010|
|RFI - Rete Ferroviaria Italiana, Rome, Italy||since 2010|
|Shenzhen Metro, Shenzhen, China||since 2011|
|Regione Umbria, Perugia, Italy||since 2011|
|Ferrovie Emilia Romagna, Bologna, Italy||since 2011|
|Réseau Ferré de France, Paris, France||since 2011|
|MetroRio, Rio de Janeiro, Brazil||since 2012|
|Queensland Rail, Brisbane, Australia||since 2012|
|Ferrocarrils de la Generalitat de Catalunya (FGC), Barcelona, Spain||since 2013|
|Transport for London, London Tramlink, London, UK||since 2013|
|Beijing Subway, Beijing, China||since 2013|
|Auckland Transport, Auckland, New Zealand||since 2014|
|Taiwan High Speed Rail Corporation, Taipei, Taiwan||since 2014|
|Saudi Railway Company, Riyadh, Kingdom of Saudi Arabia||since 2014|
|Macau LRT, Macau||since 2014|
|CPTM, São Paulo, Brazil||since 2014|
|Move São Paulo, São Paulo, Brazil||since 2014|
|Metro de Lima, Lima, Peru||since 2014|
|Sitarail, Abidjan, Ivory Coast||since 2014|
|Sporveien Oslo, Oslo, Norway||since 2014|
|PKP Polskie Linie Kolejowe, Warsaw, Poland||since 2014|
|MTR Corporation, Hong Kong||since 2014|
Railway supply industry / mining industry
|Siemens Schweiz AG, Transportation Systems, Wallisellen, Switzerland||since 1999|
|Siemens AG, Transportation Systems, Turn Key Projects, Berlin, Germany||since 2000|
|Infraspeed, Zoetermeer, The Netherlands||since 2002|
|Mipro Oy, Mikkeli, Finland||since 2004|
|BAM Rail, Breda, The Netherlands||since 2005|
|Bombardier Transportation USA, Pittsburgh, USA||since 2006|
|Consorzio TAT, Bodio, Switzerland and Implenia AG, Lucerne, Switzerland||since 2007|
|Siemens AG, Industry Mobility, Brunswick, Germany||since 2010|
|Fortescue Metals Group Ltd, Perth, Australia||since 2010|
|Vale, Maputo, Mozambique||since 2011|
|Hyundai Rotem, Seoul, Korea||since 2011|
|Alstom Transport, Bologna, Italy||since 2012|
|ABB - Asea Brown Boweri S.A., Madrid, Spain||since 2012|
|Alstom Transport, Charleroi, Belgium||since 2013|
|Posco Engineering Co. Ltd., Seongnam-city, Korea||since 2013|
|GE Transportation, Paris, France||since 2013|
|Thales Portugal SA, Parço de Arcos, Portugal||since 2013|
|ICONTROLS, Seongnam-Si, Korea||since 2014|
|ABB Brasil, Guarulhos, Brazil||since 2014|
|Raytheon, Dulles VA, USA||since 2014|
|Krauss-Maffei Wegmann, Munich, Germany||since 2014|
|ComSource, Frederick MA, USA||since 2014|
|Toshiba Corporation, Kawasaki, Japan||since 2014|
|SMA und Partner AG, Zurich, Switzerland||since 1999|
|ETC Transport Consultants GmbH, Berlin, Germany||since 1999|
|Pöyry Infra AG, Zurich, Switzerland||since 1999|
|REFER Engineering, Lisbon, Portugal||since 2000|
|Ernst Basler + Partner AG, Zurich, Switzerland||since 2001|
|NET engineering, Monselice, Italy||since 2001|
|Institut für Bahntechnik (Inst. for Railway Engineering), Dresden, Germany||since 2001|
|Cicerone Performance, Zürich, Switzerland||since 2001|
|Plateway Pty Ltd, Sydney, Australia||since 2001|
|Movares Nederland, Utrecht, The Netherlands||since 2003|
|Booz & Company, London, UK||since 2003|
|systransis Ltd, Zug, Switzerland||since 2003|
|Interfleet Technology, Derby, UK||since 2004|
|Booz & Company, Brisbane, Australia||since 2005|
|Tyréns AB, Kristianstad, Sweden||since 2005|
|COWI A/S, Lyngby, Dänemark||since 2005|
|Softlab AG, Bern, Switzerland||since 2005|
|Royal HaskoningDHV, Amersfoort, The Netherlands||since 2005|
|Ingenieurbüro Gunther Zierl, Bludenz / Vienna, Austria||since 2006|
|Egis Rail, Lyon, France||since 2006|
|TTK - TransportTechnologie-Consult Karlsruhe GmbH , Karlsruhe, Germany||since 2007|
|Reuss Engineering AG, Gisikon, Switzerland||since 2007|
|Norconsult AS, Sandvika, Norway||since 2007|
|Laboratorio di Ingegneria Ferroviaria e Traffico, Trieste, Italy||since 2008|
|IBV Hüsler AG, Zurich, Switzerland||since 2008|
|TPS Transport Planning Service, Perugia, Italy||since 2008|
|Booz Allen Hamilton, Newark NJ, USA||since 2008|
|Dessau Inc. , Montréal, Canada||since 2008|
|Geodata SpA, Torino, Italy||since 2008|
|Ramböll Sverige AB, Stockholm, Sweden||since 2008|
|WorleyParsons Services Pty Ltd, Sydney / Perth, Australia||since 2008|
|EADE, Rome, Italy||since 2008|
|Emch + Berger AG, Berne, Switzerland||since 2009|
|Aurecon, Brisbane, Australia||since 2009|
|D’Appolonia, Genova, Italy||since 2009|
|DB International, Berlin, Germany||since 2009|
|SIYUAN (China Railway Siyuan Survey And Design Group Co.), Wuhan, China||since 2009|
|Italferr, Rome, Italy||since 2009|
|Calibre Rail, Perth / Brisbane, Australia||since 2009|
|Ramboll Finland Oy, Espoo, Finland||since 2010|
|ILF - Consulting Engineers, Zurich, Switzerland||since 2010|
|TEWET Ltd., Berlin, Germany||since 2010|
|Rambøll Danmark A/S, Virum / Fredericia, Denmark||since 2010|
|TSD Consulting Services, Randburg, South Africa||since 2010|
|Rail Systems Engineering Sdn. Bhd., Kuala Lumpur, Malaysia||since 2010|
|Interfleet Technology, Wellington, New Zealand||since 2010|
|Jeffares & Green (Pty) Ltd, Cape Town, South Africa||since 2011|
|Aurecon, Pretoria, South Africa||since 2011|
|Parsons Brinckerhoff, Sydney, Australia||since 2011|
|Főrmterv, Budapest, Hungary||since 2011|
|SYSTRA, Paris, France||since 2011|
|The Third Railway Survey and Design Institute, Tianjin, China||since 2011|
|The China Railway Eryuan Engineering Group Co. Ltd., Chengdu, China||since 2011|
|CH2M HILL, Parsippany NJ, USA||since 2011|
|SIGNON, Berlin, Germany||since 2012|
|Vecturis, Brussels, Belgium||since 2012|
|Ingérop, Courbevoie, France||since 2012|
|Prodex spol. s.r.o., Bratislava, Slovakia||since 2012|
|Engenicom, Maitland NSW, Australia||since 2012|
|Setec Ferroviaire and Setec its, Paris, France||since 2012|
|Metrolab, Paris, France||since 2012|
|Parsons, Markham Ontario, Canada||since 2013|
|Yapi Merkezi Insaat, Istanbul, Turkey||since 2013|
|taktici.cz, s.r.o., Praha, Czech Republic||since 2013|
|SENER, Barcelona, Spain||since 2013|
|Hatch Mott MacDonald, Mississauga / Montréal, Canada and Pleasanton, USA||since 2013|
|Nippon Koei Co., Ltd., Tokyo, Japan||since 2013|
|China Railway Engineering Consulting Group Co., Beijing, China||since 2014|
|Aarvee Associates, Hyderabad, India||since 2014|
|Sintra, Mexico City, Mexico||since 2014|
|Beijing Urban Construction & Development Group Co., Beijing, China||since 2014|
|Paragon Tecnologia Ltda, São Paulo, Brazil||since 2014|
|TRENECON COWI, Budapest, Hungary||since 2014|
|BBF Sp. z o.o., Poznań, Poland||since 2014|
|Beijing Rail and Transit Design and Research Institute, Beijing, China||since 2014|
|Ramboll Transport Germany, Karlsruhe, Germany||since 2014|
|Sweco TransportSystem AB, Stockholm, Swedenn||since 2014|
|Instytut Kolejnictwa, Warsaw, Poland||since 2014|
|Raul V. Bravo + Associates, Inc., Reston VA, USA||since 2014|
|WYG Consulting, Warsaw, Poland||since 2014|
Universities and research institutes
PDF files related to OpenTrack
- OpenTrack Brochure in English, German, French, Spanish or Portuguese (PDF Format).
- Short Description about OpenTrack (six pages) in English, German, French or Spanish (PDF Format).
- Abstract (PDF format) of dissertation number 14281, Object oriented modeling in railways, which describes the basics of OpenTrack. Swiss Federal Institute of Technology (2 pages, German and English).
- OpenTrack-Logo (ZIP Format): This file contains two different OpenTrack logos in the .EPS, .GIF and .BMP formats.
Article in the journal "Güterbahnen" (Freight Railways)
Issue 2/2003 of the journal Güterbahnen included the article ""Ermittlung und Leistungsfähigkeit einer Werkbahn mit OpenTrack" (Investigations on the Capacity of an Industrial Railway with OpenTrack). We would be pleased to send you a free copy of the article (in German).
Report in the dutch computer magazine ComputableIn May 2004, the dutch computer magazine Computable published a report about the projects of the simulation team of Holland Railconsult. The report can be downloaded as a PDF file (in Dutch).
Comprail 2004 conference paper
Our paper Railroad Simulation using OpenTrack was presented at the Comprail 2004 conference in Dresden, Germany.
Railway Gazette 04/2006
In issue April 2006 of the journal Railway Gazette the authors T. Salt and K. Mears from Interfleet Technlology published an article "Automation gets the most out of mining railway infrastructure". We would be pleased to send you a free copy of the article.
Australian Government: North-South Rail Corridor Study
The North-South Rail Corridor Study (where OpenTrack was used as one of the tools) has comprehensively examined the adequacy, given the current major infrastructure investment programme, of the existing Melbourne-Sydney-Brisbane rail corridor to meet future freight demand.The study examined different options, including possible enhancements to the coastal line, as well as alternative inland routes. Key issues included infrastructure links, engineering, environmental, urban and regional planning issues. A financial and economic analysis was also undertaken on each of the route options.
OpenPowerNet - Simulation of Railway Power Supply Systems
Railway Gazette 07/2008
Sharing tracks in Sydney is the title of an article published in the Railway Gazette 07/2008 by Ian Imrie from Plateway. The article describes the complexity of sharing tracks between freight and passenger trains in the Sydney area.
Supporting the study, the two Swiss Tools Viriato and OpenTrack were used with success.
Presentation to RTSA Wellington (NZ)The company Plateway from Clyde, Australia gave a presentation about OpenTrack and simulation tools in general in June 2012 to RTSA in Wellington.
- Daniel Hürlimann, OpenTrack Railway Technology Ltd., Switzerland - OpenTrack version 1.5 - new features (Download PDF-File)
- Arnd Stephan, IfB, Germany - OpenPowerNet – Simulation of Railway Power Supply Systems (Download PDF-File)
- G. Medeossi, University of Trieste, Italy - OpenTrack in Italy. An example: the node of Roma (Download PDF-File)
- Rob Goverde, TU Delft, The Netherlands - The application of OpenTrack in education and research at Delft University of Technology (Download PDF-File)
- Phillip Imrie, Plateway, Australia - Modelling of Service Reliability Using OpenTrack (Download PDF-File)
- Giorgio Mastella, NET Engineering, Italy - An application of OpenTrack in the design of Veneto Regional Metropolitan Railway System (Download PDF-File)
- Frederic Birer, Egis-Rail, France - OpenTrack simulation for suburban tunnel in Paris (RER B & D) (Download PDF-File)
- Tero Kosonen, VR Track, Finland - Railway simulation using OpenTrack in Finland (Download PDF-File)
- Andreas Schoebel, TU Wien, Austria - Anwendungsbeispiel für den Einsatz von OpenTrack im Rahmen einer ausgewählten Diplomarbeit an der TU Wien (Download PDF-File)
- Thomas Graffagnino, SBB AG, Switzerland - railML-Datenaustausch im Rahmen von STABILO Analysen (Download PDF-File)
- Daniel Hürlimann, OpenTrack Railway Technology Ltd., Switzerland - OpenTrack version 1.6 - new features (Download PDF-File)
- Martin Jacob, IfB, Germany - Operation and Power Supply Simulation for China Railways (Download PDF-File)
- G. Medeossi, University of Trieste, Italy - OpenTrack Simulation of complex nodes - Case Studies in Italy (Download PDF-File)
- Arjan Wieringa, DHV, The Netherlands - OpenTrack for design support - Verification of feasible solutions (Download PDF-File)
- Phillip Imrie, Plateway, Australia - Recent Australian OpenTrack Projects (Download PDF-File)
- Doris Tuna, TU Wien, Austria - Anwendungsbeispiel Salzburg Hauptbahnhof - Zur Beurteilung von Infrastrukturvarianten (Download PDF-File)
- Daniel Kerwien, ETC, Germany - Überprüfung der schienenseitigen Leistungsfähigkeit des zukünftigen intermodalen Terminals Oslo-Alnabru mit Hilfe von OpenTrack (Download PDF-File)
- Alex Schmid, Savannah Simulations AG, Switzerland - OpenTrack + SimWalk Transport „Closing the gap“ between railway network and passenger simulation (Download PDF-File)
The last OpenTrack user workshop was held in Zurich in an extended setting together with Viriato users as well as partners of systransis AG from the 17 to 19 January 2013 at the Swiss Federal Institute of Technology (ETH Zurich). On the workshop website you will find all the presentations together with other information about the event.
- Johannes Meister and Fosca Romani, TTK, Karlsruhe - Light Rail Modelling with OpenTrack - Examples and Perspectives (Download PDF-File)
- Torben Brand and Joel Sultan, Jernbaneverket, Norway - Project Infrastructure Modell Opentrack - Building a national network (Download PDF-File)
- Elin Reitan and Sven-Jöran Schrader, NSB, Norway - Use of Simulation to Evaluate Performance of Timetable Concepts (Download PDF-File)
- Ian Imrie, Plateway, Australia, Trevor Bagnall Queensland Rail, Australia and Martin Jacob IfB Germany - Holistic Capacity of Rail Networks - Exposing Asset Deficiencies in a complex System (Download PDF-File)
- Giorgio Medeossi, LIFT, Italy - Rail Traffic Explorer
and Simulationbooster (Download PDF-File)
More reports in GermanYoull find more reports on the use and development of OpenTrack in the German section of our web page.
The following links require Apple Quicktime Player or Windows Media Player. Otherwise the the videos can be watched on YouTube.
- Process animation directly on the track layout (1 MB) (.AVI-Format)
- Process animation: The fictitious example Olten (900 kB) (.AVI-Format)
- Animated train graph (400 kB) (.AVI-Format)
- User friendly timetable editing directly within the train graph (388 kB) (.AVI-Format)
Watch all the OpenTrack-Videos on YouTube.
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OpenTrack Railway Technology Ltd
CH - 8050 Zürich
Phone: + 41 - 44 - 310 19 90
Fax: + 41 - 86 - 044 310 19 90