Line S19 is a

S-Bahn The S-Bahn is the name of hybrid urban-suburban rail systems serving a metropolitan region in German-speaking countries. Some of the larger S-Bahn systems provide service similar to rapid transit systems, while smaller ones often resemble c ...

line of the

S-Bahn Köln The S-Bahn is the name of hybrid urban-suburban rail systems serving a metropolitan region in German-speaking countries. Some of the larger S-Bahn systems provide service similar to rapid transit systems, while smaller ones often resemble co ...

network in

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...

. It is the youngest line in that network. It is operated by

DB Regio DB Regio AG is a subsidiary of Deutsche Bahn which operates regional and commuter train services in Germany. DB Regio AG, headquartered in Frankfurt am Main. It is a 100% subsidiary of the Deutsche Bahn Group and there part of the DB Regio bu ...

with class 423 electric multiple units. The S19 runs until the early evening from Düren via

Cologne Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city of the German western state of North Rhine-Westphalia (NRW) and the fourth-most populous city of Germany with 1.1 million inhabitants in the city proper and 3.6 millio ...

to Blankenberg (Sieg), Herchen or Au (Sieg) on working days and between Düren and Hennef (Sieg) on Saturdays, Sundays and public holidays. Services to/from Herchen or Au do not stop in Blankenberg. It shares most of this route with line S12, but it runs through

Cologne/Bonn Airport Cologne Bonn Airport (german: Flughafen Köln/Bonn 'Konrad Adenauer') is the international airport of Germany's fourth-largest city Cologne, and also serves Bonn, former capital of West Germany. With around 12.4 million passengers passing thro ...

instead of through

Porz Porz () is a borough or ''Stadtbezirk'' of Cologne, Germany. It is situated on the east side of the Rhine in the south-east of the city. Porz is the largest borough of Cologne by area at 78.92 km2 and has 113,500 inhabitants. Porz borders ...

. The S12 also no longer runs west of . It is operated every 20 minutes between Düren and Hennef (Sieg), with one course every hour extending to Au (Sieg). Since December 2019 it runs 24/7 between Düren and Hennef.

History

The route runs on the Cologne–Aachen line (opened by the

Rhenish Railway Company The Rhenish Railway Company (German: ''Rheinische Eisenbahn-Gesellschaft'', RhE) was along with the Cologne-Minden Railway Company (CME) and the Bergisch-Märkische Railway Company (BME) one of the railway companies that in the mid-19th century ...

between Cologne and Horrem in three stages between 1839 and 1841), the

East Rhine Railway The East Rhine Railway (German: ''Rechte Rheinstrecke'', literally 'right (of the) Rhine railway') is a major, double-track, electrified railway line, running along the right bank of the Rhine from Cologne to Wiesbaden. The -long line forms two D ...

(opened to Troisdorf by the Rhenish Railway in 1870, with an extension to Cologne opened in 1874), the

Cologne Airport loop The Cologne Airport Loop is a railway line, which connects the Cologne/Bonn Airport station to the Cologne–Frankfurt high-speed rail line. The loop is used by Intercity-Express trains, the Rhein-Erft-Bahn (RB 27) and Rhein-Ruhr S-Bahn, S-Bahn l ...

(opened in 2004) and the

Sieg Railway The Sieg Railway (german: Siegstrecke is a long, electrified German main line railway between Cologne-Deutz via Porz, Troisdorf, Siegburg, Hennef, Au (Sieg), Betzdorf to Siegen with a through service to Cologne Hauptbahnhof. Although most of ...

(opened by the

Cologne-Minden Railway Company The Cologne-Minden Railway Company (German, old spelling: ''Cöln-Mindener Eisenbahn-Gesellschaft'', ''CME'') was along with the Bergisch-Märkische Railway Company and the Rhenish Railway Company one of the railway companies that in the mid-19th ...

between 1859 and 1862). When the line was established in December 2014, it was mostly extending existing courses of the line S13 and giving them an own name for clarity reasons. With time, the S19 replaced many courses of the S13, eventually leading to the total replacement of the S13 through the S19. In 2025, it is planned to reestablish the S13 as an separate line to the S19. The S13 is planned to operate between Bonn-Beuel and Düren every 20 minutes, while the S19 is planned to operate between Au (Sieg) and Köln-Nippes every 20 minutes.

References

{{Reflist

Rhine-Ruhr S-Bahn 2014 establishments in Germany