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Project Update

Vienna U-Bahn, Austria [free access]

October 1, 2017

Key player: Wiener Linien, part of the city corporation Wiener Stadtwerke Holding AG, is the developer and operator of the system.


Project description: Expansion of the U-Bahn network in Vienna, Austria.


Background: The system comprises five lines, which together span 83.1 km and covers 109 stations. The latest addition to the metro network was the 4.6-km extension of Vienna U-Bahn Line U1, which opened in September 2017.


Ridership: In 2016, the system recorded an annual ridership of 954 million passengers.  


Rolling stock: As of 2016, Wiener Linien’s fleet consisted of more than 150 metro trains.


In September 2017, Siemens secured a contract to supply and maintain 34 driverless metro trains. The contract includes an option to supply 11 additional trains. The total value of the contract and the option is EUR550 million. The scope of work includes maintenance of fleet, which accounts for 30 per cent of the total cost. The delivery is expected to begin in 2020 and be completed by 2030.


The trains will have step-free interiors; air-conditioning (AC) and video-monitoring systems; and the ability to operate driverless on all U-Bahn lines (except Line U6). This feature will allow replacement of ageing class U trains. The driverless trains are planned to be introduced on the upcoming Line U5, which is scheduled to begin commercial operations in 2023.


In the same month, Knorr-Bremse subsidiary companies, Kiepe Electric and iFE, secured the contract to refurbish 78 Bombardier Type T low-floor vehicles in service on Line U6.  The project will extend the fleet’s age by another 20 years. The refurbishment of the first four cars has been completed and that of the remaining 74 cars is expected to be completed by end-2019.


Track and power: Tracks are standard gauge (1,435 mm). Power is sourced from the third rail (750 V DC) for Lines U1-U4 and overhead line (750 V DC) for Line U6.




The following extensions and modernisation projects are planned for the system :


Line U2 extension (Phase I): The line will be extended by 4.6 km from Karlsplatz to Matzleinsdorfer Platz covering four stations. It will have interchanges with the S-Bahn at the Matzleinsdorfer Platz station, Line U3 at the Neubaugasse station, and Line U4 at the Pilgramgasse station. Construction of Phase I is expected to begin in 2018 and be completed by 2023.


Line U5: It will be a branch of the Line U2 extension and serve the north-western parts of the city. It will have interchanges with tram routes 5, 33, 37, 38, 40, 41 and 42 at the new Arne Carlsson Park hub and Line U6 at Michelbeuern-AKH. The trains will be driverless and the stations will be equipped with platform screen doors and intrusion monitoring.


Phase I comprises the section between Karlsplatz and Frankhplatz Altes AKH. It involves upgrade of the existing Karlsplatz-Rathaus section of Line U2 for driverless operation and construction of the section from Rathaus to Frankhplatz Altes AKH.


Phase II involves extension of the line to Elterleinplatz in the Hernals district.


Modernisation of Line U4: It involves renovation of tracks and platforms, rehabilitation of tunnel ceilings, and installation of crossovers. It is the largest modernisation project of the metro and involves an investment of EUR335 million. Construction commenced in 2014 and is expected to be completed by 2024.


In May 2014, Siemens secured a EUR40-million contract to install an automatic train control (ATC) signalling system and replace five SpDrS-60U interlockings with Trackguard Sicas ECC electronic interlocking. The project is to be delivered between 2016 and end-2019.


Recent developments:


(1 EUR [Euro] = 1.18 USD)