Troisdorf station is a railway junction in the town of Troisdorf

Troisdorf

Troisdorf is a town in the Rhein-Sieg-Kreis , in North Rhine-Westphalia, Germany.-Geography:Troisdorf is located approx. 22 kilometers south of Cologne and 13 kilometers north east of Bonn.-Division of the town:...

 in the German state of North Rhine-Westphalia

North Rhine-Westphalia

North Rhine-Westphalia is the most populous state of Germany, with four of the country's ten largest cities. The state was formed in 1946 as a merger of the northern Rhineland and Westphalia, both formerly part of Prussia. Its capital is Düsseldorf. The state is currently run by a coalition of the...

, where the line from Cologne

Köln Hauptbahnhof

Köln Hauptbahnhof is the central railway station in Cologne, Germany.The station is an important local, national and international hub, with many ICE, Thalys and Intercity trains calling there, as well as regional RegionalExpress, RegionalBahn and local S-Bahn trains...

 separates into the East Rhine Railway to Neuwied and the Sieg Railway to Siegen

Siegen station

Siegen station is the main station of the town of Siegen, in the German state of North Rhine-Westphalia. It is in close to the modern centre of Siegen, which includes the bus station and the Sieg Carré and City Galerie shopping centres.-History :...

. In addition to various regional rail services Troisdorf is served by the S 12 and S 13. Both lines operate towards Cologne at 20 minute intervals, so together they provide a 10 minute interval S-Bahn service to Cologne.

The Cologne–Frankfurt high-speed line also passes through Troisdorf, but without stopping. In the course of the construction of high-speed line, the three platforms were rebuilt and raised. Renovation or replacement of the station building is being planned.