Zurich Airport
Zürich Airport railway station is located underneath the "Airport Centre". The station has frequent Zürich S-Bahn services, plus direct InterRegio, InterCity, and Eurocity services, to many places including Basel, Bern, Biel/Bienne, Brig, Geneva, Konstanz, Lausanne, Lucerne, Munich, Romanshorn, St. Gallen, and Winterthur. There are some 13 trains per hour to Zürich Hauptbahnhof, Zürich's main city centre station, with a journey time of between 10 and 15 minutes. By changing trains at Hauptbahnhof, most other places in Switzerland can be reached in a few hours.
Zürich Hardbrücke railway station
The station is a major node in the Zürich S-Bahn system, served by lines S3, S5, S6, S7, S9, S11, S12, S15 and S16. All trains from Hardbrücke station operate via low-level platforms 41-44 at Hauptbahnhof, continuing to Stadelhofen station through the Hirschengraben Tunnel. They provide, for most of the day, 16 trains per hour (tph) to or from these central Zürich stations.