[9] It became fully operational in December 2015, linking major railway lines from the north, east, south and west, and replacing the old Wien Südbahnhof terminus.

[13] Around this time, Zurich-based Theo Hotz Architects and Planners were awarded an initial design contract to develop a new station solution for the area.

While the plans produced by Theo Hotz do not directly correspond with the subsequently-built structure, the architects were still responsible for a large proportion of the station that was later constructed, particularly the design for both the main concourse and the platforms.

The design of the station included measures to make it both energy-efficient and environmentally friendly; features such as integrated CO2-controlled ventilation and geothermal energy systems have been incorporated, while both the windows and walls are furnished with soundproofing.

[14] The railway infrastructure for the project was largely built by a joint venture between Arge Östu-Stettin and HOCHTIEF Construction, while the station's diamond-shaped roof was installed by UNGER Steel.

[15] The total cost of building the new station has been stated to have been around €987 million; it was financed via ÖBB, the city authorities, the European Union, and property development opportunities.

[12] According to its planners, RAHM Architects, the viewing platform was the highest walkable wooden tower in Europe at the time, measuring 66 metres from base to tip.

[7] On the morning of 10 October 2014, Wien Hauptbahnhof was formally inaugurated in a ceremony held at the station, officiated by Austrian President Heinz Fischer.

[12] To facilitate a high rate of pedestrian movement across the station, a total of 29 escalators and 14 elevators are present to provide full step-free access to all areas.