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).
Dietikon railway station
For most of the day, line S3 provides 2 train per hour (tph) to Zürich and Wetzikon and 1 tph to Lenzburg and Aarau. Line S12 provides 2 tph to Zürich and Winterthur and 2 tph to Baden and Brugg. Line S17 provides 2 tph to Wohlen, with an additional 2 tph as far as Bremgarten on weekdays only. Line S19 provides 2 tph to Zürich and Effretikon, with some peak hour trains extended in the opposite direction to Koblenz. Additionally there is a single InterRegio train per hour between Zurich Airport and Basel SBB that calls at Dietikon in both directions.