Zurich–Affoltern am Albis–Zug railway
railway line in Switzerland
The Zurich–Affoltern am Albis–Zug railway is a railway connecting the Swiss cities of Zurich and Zug via Affoltern am Albis. It was opened by the Zurich–Zug–Lucerne Railway (German: Zürich-Zug-Luzern-Bahn) on 1 June 1864. The Zug–Lucerne line was opened by the same company on the same day. The line officially begins in Zürich Altstetten, which was still an independent municipality at that time. The line's only significant traffic consists of services on Zurich S-Bahn line S5. Long-distance trains between Zurich, Zug and Lucerne now run via the Zimmerberg Base Tunnel, the Thalwil–Arth-Goldau line and the Zug–Lucerne line.
Route
The Zurich–Zug line connects to the line to Baden opened in 1847 at Zürich Altstetten, which had been rebuilt in preparation as a junction station. Rail services on the line use the line to/from Baden to connect with Zürich Hauptbahnhof. The Zurich–Zug–Lucerne Railway opened its line from Zürich Altstetten to Zug on 1 June 1864.
The line was connected at a triangular junction ("wye") at Kollermühle with the branch to Lucerne, so that until 1970 trains could run from Lucerne to Zurich without reversing.
Begin with the source’s own compact description: “Zurich–Affoltern am Albis–Zug railway” is railway line in Switzerland. The dossier treats that line as a proposition to test through Zurich, Affoltern and Albis, not as a finished interpretation.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Dec 9, 2025. The linked authority identifier is Q803566. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1864, 1847 and 1970.
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This entry incorporates text from “Zurich–Affoltern am Albis–Zug railway” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.