Calatrava unveiled designs for a “21st century office building” on the site 26 years after completing the railway station – now one of the busiest transit hubs in Switzerland, with 80,000 commuters passing through each day.
Images show a glass building featuring bulging walls with slanted angles at the corners and a triangle of grass on the roof.
The five-storey structure was commissioned by Swiss insurer AXA, and will be integrated with the station’s public spaces.
The 1000 parking spaces on the lower level are an attempt to tackle the overcrowding currently experienced in the plaza.
“This 21st century office building in the heart of Zurich interplays with the area’s streetscape and adds to its vibrancy by encouraging bicycle use and improving pedestrians’ connection to the Stadelhofen Station,” said the Spanish architect, who is now based in New York.
The project has been made possible by a 2014 change in regulations for the area to allow construction on the public thoroughfare outside the station, as long as the building provides bicycle parking for local and commuters.
Originally a small commuter drop-off point, Stadelhofen Station became a major connection point for trains passing through Zurich in 1990 following a change in the layout of the railway infrastructure around the city.
Calatrava was commissioned to redesign and enlarge the station in anticipation of the increased numbers of passengers and trains. This involved excavating a hillside on one side of the station, and creating new concrete and metal additions featuring Calatrava’s signature structural ribs, as well as metal and glass canopies and walkways. The station reopened in 1990.
But he is perhaps best known for his bridges, which offer the clearest structural display of the architect’s interest in ribbed and skeletal forms and fluid curves. Among the most famous is the Chords Bridge in Jerusalem.
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