Cologne–Duisburg railway
Encyclopedia
The 64 km long Cologne–Duisburg railway is one of the most important lines in Germany. It is the main axis for long distance and urban passenger rail services between Cologne
Cologne
Cologne is Germany's fourth-largest city , and is the largest city both in the Germany Federal State of North Rhine-Westphalia and within the Rhine-Ruhr Metropolitan Area, one of the major European metropolitan areas with more than ten million inhabitants.Cologne is located on both sides of the...

 and the Ruhr
Ruhr
The Ruhr is a medium-size river in western Germany , a right tributary of the Rhine.-Description:The source of the Ruhr is near the town of Winterberg in the mountainous Sauerland region, at an elevation of approximately 2,200 feet...

, served by Intercity Express, Intercity
Intercity (Deutsche Bahn)
Intercity is the second-highest train classification in Germany, after the ICE. Intercity services are loco-hauled express services, usually over long-distances. There are Intercity routes throughout Germany, and routes generally operate with a two-hour frequency, with multiple routes giving a more...

, Regional Express, regionalbahn
RegionalBahn
The Regionalbahn is a type of local passenger train in Germany.-Service:Regionalbahn trains usually call at all stations on a given line, with the exception of RB trains within S-Bahn networks, these may only call at selected stations...

 and S-Bahn
Rhein-Ruhr S-Bahn
The Rhine-Ruhr S-Bahn is a polycentric S-Bahn network covering the Rhine-Ruhr Metropolitan Region in the German federal state of North Rhine-Westphalia. This includes most of the Ruhr , the Berg cities of Wuppertal and Solingen and parts of the Rhineland...

 trains. It was the first section built of the Cologne-Minden trunk line
Cologne-Minden trunk line
The Cologne-Minden trunk line is a railway built by the Cologne-Minden Railway Company . The line is the westernmost part of the railway line from Berlin to the Rhine that was proposed by Friedrich List in his Concept for a railway network in Germany, published in 1833...

 and is one of the oldest railways in Germany. It was opened in 1845/46 and has been repeatedly modernized and expanded. Today the route (partly blended with lines of other former railway companies) comprises two or three double lines and is electrified throughout.

History

On 18 December 1843, the Prussia
Prussia
Prussia was a German kingdom and historic state originating out of the Duchy of Prussia and the Margraviate of Brandenburg. For centuries, the House of Hohenzollern ruled Prussia, successfully expanding its size by way of an unusually well-organized and effective army. Prussia shaped the history...

n government granted a concession to the Cologne-Minden Railway Company
Cologne-Minden Railway Company
The Cologne-Minden Railway Company was along with the Bergisch-Märkische Railway Company and the Rhenish Railway Company one of the railway companies that in the mid-19th century built the first railways in the Ruhr and large parts of today's North Rhine-Westphalia.-Founding :The founding of the...

 (German
German language
German is a West Germanic language, related to and classified alongside English and Dutch. With an estimated 90 – 98 million native speakers, German is one of the world's major languages and is the most widely-spoken first language in the European Union....

, old spelling: Cöln-Mindener Eisenbahn-Gesellschaft, CME) for the line, which began at what was then the CME station in Deutz (now a suburb of Cologne) with the construction of the first section to Düsseldorf
Düsseldorf
Düsseldorf is the capital city of the German state of North Rhine-Westphalia and centre of the Rhine-Ruhr metropolitan region.Düsseldorf is an important international business and financial centre and renowned for its fashion and trade fairs. Located centrally within the European Megalopolis, the...

, which was opened on 20 December 1845. Only a few weeks later, on 9 February 1846, the second section was completed to a temporary terminus at the site of present-day Duisburg Hauptbahnhof
Duisburg Hauptbahnhof
is the Hauptbahnhof of the city of Duisburg in western Germany. It is situated at the meeting point of many important national and international railway lines in the Northwestern Ruhr valley.- Lines :...

 called the Cologne-Minden railway station, the first of three train stations built at the same place.

The route of the next section to Oberhausen
Oberhausen
Oberhausen is a city on the river Emscher in the Ruhr Area, Germany, located between Duisburg and Essen . The city hosts the International Short Film Festival Oberhausen and its Gasometer Oberhausen is an anchor point of the European Route of Industrial Heritage. It is also well known for the...

, Altenessen, Gelsenkirchen
Gelsenkirchen
Gelsenkirchen is a city in North Rhine-Westphalia, Germany. It is located in the northern part of the Ruhr area. Its population in 2006 was c. 267,000....

, Wanne
Wanne
Wanne is a residential area in the northern outskirts of the city of Tübingen, Germany. Beyond Wanne extends the vast state nature protection area of the Schönbuch...

, Herne
Herne, Germany
Herne is a city in North Rhine-Westphalia, Germany. It is located in the Ruhr area directly between the cities of Bochum and Gelsenkirchen.- History :Like most other cities in the region Herne was a tiny village until the 19th century...

 and Dortmund
Dortmund
Dortmund is a city in Germany. It is located in the Bundesland of North Rhine-Westphalia, in the Ruhr area. Its population of 585,045 makes it the 7th largest city in Germany and the 34th largest in the European Union....

 to Hamm
Hamm
Hamm is a city in North Rhine-Westphalia , Germany. It is located in the northeastern part of the Ruhr area. As of December 2003 its population was 180,849. The city is situated between the A1 motorway and A2 motorway...

 was chosen over a route close to the coal mines that were then located on the north bank of the Ruhr because it was cheaper to build as it largely avoided hills. Nevertheless, it still took well over a year until 15 May 1847 for this section to be completed and put into operation. On 15 October 1847 the last section was opened to Minden, thus completing the entire 263 kilometre long, single track railway. On the same day the Royal Hanoverian State Railways
Royal Hanoverian State Railways
The Royal Hanoverian State Railways existed from 1843 until the annexation of the Kingdom of Hanover by the Kingdom of Prussia in 1866...

 opened its Hanover-Minden Railway, completing a connection to Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

 and northeastern Germany.

The line was connected to the railways on the western bank of the Rhine at Cologne on 3 October 1859 with the inauguration of the Cathedral Bridge
Cathedral Bridge
The Cathedral Bridge was a railway and street bridge crossing the river Rhine in the German city of Cologne. It was owned by the Cologne-Minden Railway Company and named after the Cologne Cathedral, which is located on the same longitudinal axis...

 to the back of the Central Station
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...

 of the Rhenish Railway Company
Rhenish Railway Company
The Rhenish Railway Company was along with the Cologne-Minden Railway Company and the Bergisch-Märkische Railway Company one of the railway companies that in the mid-19th century built the first railways in the Ruhr and large parts of today's North Rhine-Westphalia.-Foundation :The...

 (Rheinische Eisenbahn-Gesellschaft, RHE).

Current situation

The Cologne-Duisburg line has been continually modernised as traffic has grown and it has been electrified along its entire length.

Number of tracks

The number of tracks on the line varies between three and eight. In the section of line between 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...

 and Cologne-Mülheim
Köln-Mülheim station
Köln-Mülheim is a railway station situated at Mülheim, Cologne in western Germany. It is served by several regional trains, the S6 and S11 lines of the Rhine-Ruhr S-Bahn and the 13 and 18 lines of Cologne Stadtbahn.-History :...

 there are six tracks, two towards Düsseldorf and Duisburg, two towards Gruiten
Gruiten–Köln-Deutz railway
The Gruiten–Cologne-Deutz railway is a major German railway. It is part of a major axis for long distance and regional rail services between Wuppertal and Cologne, and is served by Intercity Express, InterCity, Regional-Express and regionalbahn trains....

 and Wuppertal, and two S-Bahn tracks. Between Cologne-Mülheim and Langenfeld
Langenfeld, Rhineland
Langenfeld is a town in North-Rhine-Westphalia in the district of Mettmann. The suburban city is located between Düsseldorf and Cologne...

, there are two long-distance tracks and sections of the S-Bahn are only single track sections (providing a total of three tracks). North of Langenfeld, there are again two tracks (a total of four tracks). From Düsseldorf-Oberbilk station north there are two additional tracks to the right and left of the S-Bahn to Düsseldorf
Düsseldorf Hauptbahnhof
is the Hauptbahnhof for the city of Düsseldorf in Germany, state capital of North Rhine-Westphalia.-History:The station was opened on 1 October 1891 opened as Düsseldorf Central Station...

; together with the local lines in this section there are eight rail tracks.

From Düsseldorf to Düsseldorf-Derendorf station the line also has up to eight single tracks, including up to two freight lines. There are six tracks past the S-Bahn branch to Düsseldorf Airport Terminal station to Düsseldorf-Unterrath Karthäuser Weg junction where the S-Bahn and two long distance-tracks merge at grade on the approach to Düsseldorf Airport station. The station itself has four platform tracks, plus two through tracks. After the airport station, the route continues as a four track line, with the platform tracks at S-Bahn stations passed by Regional-Express trains at up to 140 km/h. Immediately south of Duisburg-Großenbaum station two separate S-Bahn tracks recommence in addition to four mainline tracks, a total of six tracks. North of Duisburg-Buchholz the line becomes five tracks with two mainline tracks, two S-Bahn tracks and one freight track.

North of Duisburg Hauptbahnhof
Duisburg Hauptbahnhof
is the Hauptbahnhof of the city of Duisburg in western Germany. It is situated at the meeting point of many important national and international railway lines in the Northwestern Ruhr valley.- Lines :...

 lines connect to the CME’s line to Oberhausen and Dortmund, and more importantly for today's passengers, the Ruhr route to the east via Essen to Dortmund of the former Bergisch-Märkische Railway Company.

Technology

To shorten the travel time on the long-distance trains from Cologne via Duisburg to Dortmund, the mainline was upgraded in the 1980s to enable trains to run at 200 km/h and, with the exception of the area of Düsseldorf station, equipped with the German Linienzugbeeinflussung
Linienzugbeeinflussung
Linienzugbeeinflussung is a cab signalling andtrain protection system used on selected German and Austrian railway linesas well as the AVE in Spain.In Germany, the system is mandatory on all lines where trains exceed speeds of...

 (LZB) train protection system. This makes it possible to operate trains between Cologne and Dortmund via Duisburg in the same time as it takes on the shorter but more tortuous route via Wuppertal and Hagen
Hagen Hauptbahnhof
is the Hauptbahnhof for the city of Hagen in western Germany. It is an important rail hub for the southeastern Ruhr area, offering regional and long distance connections....

. This makes it possible to provide connections between two long-distance routes across platforms at Cologne and Dortmund.

Train services

Services operating across the total length of the line are three ICE services, three IC
Intercity (Deutsche Bahn)
Intercity is the second-highest train classification in Germany, after the ICE. Intercity services are loco-hauled express services, usually over long-distances. There are Intercity routes throughout Germany, and routes generally operate with a two-hour frequency, with multiple routes giving a more...

 services (each usually every two hours) and two Regional-Express services, RE 1 NRW-Express and RE 5 Rhein-Express (both hourly). Between Düsseldorf and Duisburg additional services operating are the RE 2 Rhein-Haard-Express, the RE 3 Rhein-Emscher-Express and the RE 6 Westfalen-Express (all hourly). It is planned to replace the Regional Express services on the line by faster services, known as Rhine-Ruhr Express, which will require additional track.
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