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Research dossier · General Reference

S4 (St. Gallen S-Bahn)

Service in Switzerland

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJan 22, 2026
Entity authorityQ108704247 ↗
Source-derived summary

The S4 is a railway service of the St. Gallen S-Bahn that provides hourly service between Sargans and Rapperswil via St. Gallen, connecting stations in the cantons of St. Gallen and Appenzell Ausserrhoden. The section near Lake Constance (Bodensee) is also part of the Bodensee S-Bahn. Südostbahn (SOB), a private company primarily owned by the federal government and the canton of St. Gallen, operates the service.

Between 2013–2023 it operated over a circular route (German: Ringzug), also running over the Ziegelbrücke–Sargans railway line south of the Walensee.

Operations

The S4 operates hourly between Sargans and Rapperswil via St. Gallen.

Editorial summary

“S4 (St. Gallen S-Bahn)” enters the record as service in Switzerland. Crown Archives preserves that source wording while asking what Gallen, S-Bahn and Service can confirm, complicate or overturn.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2013, 2023—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Gallen, S-Bahn and Service.
Editorial analysis

Why this record matters

“S4 (St. Gallen S-Bahn)” is worth following because a concise public description often conceals a longer documentary argument. Here, Gallen, S-Bahn and Service provides the most credible route into that argument.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jan 22, 2026. The linked authority identifier is Q108704247. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2013 and 2023.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “S4 (St. Gallen S-Bahn)”, its source revision and the description used here.
  2. Expand the search: follow S4 (St. Gallen S-Bahn) primary sources, S4 (St. Gallen S-Bahn) archive and Gallen research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “S4 (St. Gallen S-Bahn)”?
  2. Which cited source is closest to the event, object or claim?
  3. Which institution is responsible for the underlying evidence?
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Source & attribution

This entry incorporates text from “S4 (St. Gallen S-Bahn)” 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.