Winterthur railway station
Winterthur is Switzerland's fifth busiest station, and is a major node between Switzerland's largest railway nucleus in Zürich and places in Eastern Switzerland (such as St. Gallen and Schaffhausen), as well as Germany (Munich), and Austria (Vorarlberg). The station is served by trains on Zürich's suburban S-Bahn network, as well as by regional and intercity trains, with most through passenger trains making a stop. It is also connected with Zürich's airport railway station Zürich Flughafen, which can be reached in about 15 minutes about every 8 minutes. Zürich Hauptbahnhof can be reached with up to 16 direct connections per hour and the fastest connection takes only 22 minutes (S12). The station has 9 standard gauge platforms (numbered 1-9).
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.