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–Baden railway
The Zürich–Baden railway is a major railway line in Switzerland connecting the cities of Zürich and Baden. It forms part of the major east-west route between Zürich and Olten. The line generally follows the south bank of the Limmat from Zürich to Baden. A new line, the Heitersberg Railway, opened in 1975, branches off in Killwangen-Spreitenbach and follows a more southerly route through the Heitersberg Tunnel towards Olten. The Zürich–Baden railway is electrified at 15 kV 16.7 Hz and much of it has four tracks.