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.
Sihltal Zürich Uetliberg Bahn
Both railway lines are constructed to . They are unusual in that, whilst the "Sihltalbahn" is electrified using the standard Swiss mainline system of overhead lines at 15 kV 16.7 Hz AC, the "Uetlibergbahn" is electrified using overhead lines at 1200 V DC. In order to avoid conflict on the common section, the "Uetlibergbahn" uses an overhead line offset from the centre of the track, and its cars are equipped with specially designed pantographs to collect from this.