Route of S1
Legend
0.0km Dortmund Hbf S2S5 2.6 Dortmund-Dorstfeld S2S4 3.7 Dortmund-Dorstfeld Süd 4.6 Dortmund Universität 7.2 Dortmund-Oespel 8.4 Dortmund-Kley 11.8 Bochum-Langendreer 13.2 Bochum-Langendreer West 19.1 Bochum Hbf 20.2 Bochum-Ehrenfeld 24.3 Wattenscheid-Höntrop 28.2 Essen-Eiberg 29.6 Essen-Steele Ost S3 30.9 Essen-Steele S3S9 35.6 Essen Hbf S2S3S6S9 38.0 Essen West S3S9 39.1 Essen-Frohnhausen S3 45.6 Mülheim S3 48.7 Mülheim-Styrum S3 55.1 Duisburg Hbf 57.9 Duisburg Schlenk 60.1 Duisburg-Buchholz 62.1 Duisburg-Großenbaum 64.1 Duisburg-Rahm 65.8 Düsseldorf-Angermund 70.2 Düsseldorf Airport SkyTrain to terminal 71.9 Düsseldorf-Unterrath S11 75.2 Düsseldorf-Derendorf S6S11 76.3 Düsseldorf Zoo S6S11 77.3 Düsseldorf-Wehrhahn S6S11 78.4 Düsseldorf Hbf S6S8S11S28S68 79.6 Düsseldorf Volksgarten S6S68 80.8 Düsseldorf-Oberbilk S6S68 83.1 Düsseldorf-Eller Mitte 84.1 Düsseldorf-Eller 90.3 Hilden 91.5 Hilden Süd 95.5 Solingen Vogelpark 97.5 Solingen Hbf S7
Source: German railway atlas[1]

Line S1 is a S-Bahn line on the Rhine-Ruhr network. It is operated by DB Regio. It runs from Dortmund via Bochum and Essen to Duisburg. From there it travels south to Düsseldorf and Hilden before continuing to Solingen. It is operated on weekdays at 15-minute intervals between Dortmund Hbf and Essen Hbf, at 20-minute intervals between Düsseldorf Hbf and Solingen and at 30-minute intervals between Düsseldorf and Essen, using coupled sets of class 422 four-car electrical multiple units.^[2]

Line S 1 runs over lines built by various railway companies:

• from Dortmund Hauptbahnhof to Duisburg over the Witten/Dortmund–Oberhausen/Duisburg railway, opened by the Bergisch-Märkische Railway Company in 1862,
• from Duisburg to Düsseldorf-Oberbilk over the Cologne–Duisburg railway, opened by the Cologne-Minden Railway Company in 1845 and
• from Düsseldorf-Oberbilk to Solingen over the Düsseldorf–Solingen railway opened by the Prussian state railways between 1891 and 1894.

S-Bahn services commenced between Bochum and Duisburg-Großenbaum on 26 May 1974. Services were extended from Großenbaum to Düsseldorf on 22 May 1977 and from Bochum to Dortmund on 25 September 1983. Services ran via Düsseldorf Airport Terminal station from 24 May 1998 to 28 May 2000. Services were extended from Düsseldorf to Solingen on 13 December 2009, replacing part of the former line S 7 service.^[2]

• Eisenbahnatlas Deutschland (German railway atlas) (2007/2008 ed.). Schweers + Wall. 2007. ISBN 978-3-89494-136-9.