ⓘ Cologne Stadtbahn

Cologne Stadtbahn

ⓘ Cologne Stadtbahn

The Cologne Stadtbahn is a light rail system in the German city of Cologne, including several surrounding cities of the Cologne Bonn Region. The term Stadtbahn denotes a system that encompasses elements of trams as well as an underground railway network and interurban rail, even including three lines that are licensed as heavy rail and used by freight trains as well as Stadtbahn vehicles. Two of these lines connect the Cologne Stadtbahn to the Bonn Stadtbahn. These lines are jointly operated by both cities transport authorities, resulting in both systems and the lines connecting them sometimes collectively referred to as Stadtbahn Rhein-Sieg. The Cologne Stadtbahn is operated by the Kolner Verkehrsbetriebe and the Bonn Stadtbahn is operated by the Stadtwerke Bonn. The KVB and SWB are members of the Verkehrsverbund Rhein-Sieg, formed in 1987 to consolidate the transit authorities in the metropolitan Cologne area and operate a joint fare structure. There were 38 underground stations, with an additional four being added since 2015.


1. History

The Cologne Stadtbahn traces its history to the first horsecar lines that started operating in 1877. Within a few years, several companies had built an extensive network. Because none of these companies showed interest in electrifying their lines, the city of Cologne bought them on 1 January 1900. Electric trams were introduced and additional lines built until 1912, including Vorortbahnen to surrounding villages outside the city limits. Outside the city center, these lines had segregated right-of-way and were more similar to "real" railroads than to trams.

During World War II, Cologne suffered heavy damage. The city center was almost completely destroyed and the tram lines with it. After the war, only a few of the existing lines were rebuilt in the downtown area, while at the same time automobile traffic increased heavily. To improve the situation, construction of the first tunnel began in 1963. When it opened in November 1968, it was integrated into the tram network, instead of being run as a separate subway. Since then, street-running tram lines have gradually been replaced by tunnels, some elevated track and segregated surface lines. From 1973 until 2006 light rail vehicles have operated together with classic trams on the same lines.

Underground construction in downtown Cologne, one of Germanys oldest cities, is often obstructed by archeologists legal rights to dig in all future building sites within the medieval city limits before all heavy construction machinery.


2. Current routes

Because the light rail network evolved from the tram network instead of replacing it, there were numerous stations served by both light rail and tram vehicles for almost three decades. While high platforms for stepless entry into light rail vehicles could be built on the outer branches, stations in the city center had to have low platforms to support trams as well. The introduction of low-floor technology in the early 1990s promised wheelchair-accessible entry throughout the network without having to build several hundred high platforms. To allow the introduction of low-floor trains without having to demolish existing high platforms, the network was divided into two sub-networks of different floor heights.

On weekdays, all lines are served in 5- to 10-minute intervals from 6 am to 8 pm, with little or no service between around 1 am and about 4.30 am, and usually 15-minute intervals in the early night and early morning. On weekends, there is an hourly service throughout the night. Because several lines overlap on the routes through the city center, some stations are served by up to 30 trains per hour in each direction.


3.1. Former lines East-West lines

The first step towards a low-floor light rail network was concentrating four lines on similar routes into a common east-west-corridor in 1994. These lines were quickly equipped with low platforms 35 cm 14 in above street level on every single station. While there are some stretches that can be described as classic tramway lines, the majority of the east-west-network has been upgraded to a high standard with long sections having segregated right-of-way, justifying the term "low-floor light rail" Niederflurstadtbahn.

In 2006, during the 2006 FIFA World Cup, route 1 was extended to Weiden-West, via SchulstraSe, which connects to the RheinEnergieStadion.

In 2007, Line 8, which previously operated during peak hours, stopped service. All its runs were integrated into the schedules of Lines 7 and 9.


3.2. Former lines Ring lines

When it became clear to city authorities that the construction of a large number of additional high platforms was not financially feasible, other options were investigated. It was deemed most economical to create a second low-floor network and equip the remaining lines with high platforms. Between the stations "Ebertplatz" and "Barbarossaplatz", there are two possible routes. It was decided that the future low-floor lines would be concentrated in the tunnel underneath the Cologne Ring road, while high-floor lines would use the tunnel under the Central station.

This change was implemented in December 2003, after the high platforms at the Hansaring station were removed. In 2006, the tracks of the Chorweiler station were raised with additional gravel. Since then, all "Ringe" lines are operated with low-floor vehicles. In 2007, Line 6, which had only operated during peak hours, was replaced by additional trains of Line 15.


3.3. Former lines High-floor lines

The high-floor network consists of all lines operated by "classic" light rail vehicles with a floor height of roughly one meter above street level. Since separation from the low-floor network, high platforms are being built in stations in the city center at a rate of one or two per year. As of 2009, the most frequented stations have been upgraded with the exception of the Barbarossaplatz station.

Lines 3 and 4, since the construction of temporary platforms at the SeverinstraSe station while the actual station gets modernized and connected to the North-Southern tunnel, are Colognes first HF lines completely equipped with level entrance. The western branch of Line 5 still has a two stops Subbelrather StraSe/Gurtel and NuSbaumerstraSe with low platforms, the rest of its stations were made high-floor when the line was extended into the Butzweilerhof industrial area.

Line 13 is also called the "beltway" Gurtel line, because it is the only line that does not touch the city center. Line 13 is also called the Outer Ring line, while Lines 12 and 15 together can be called the inner ring line. Most of the line runs along a series of roads of the same name. The northern part of Line 13 is built as an elevated railway. High-floor platforms are still very rare on this line.

Since the timetable change on 13 December 2015 a section of the north-south rail was put into operation. Since then it has been operated by the new Line 17 of the Severinstr. on the Chlodwigplatz.

From Chlodwigplatz it comes to Bonner Wall. After separating from Line 17 at the NSS-Tunnel and picks up the route of Line 16 at the next stop, Great Schonhauser Str.

Line 17 then travels as far as the terminus Rodenkirchen Bf. In the morning and evening peak 07:00 to 08:00 and 16:30 to 18:00, the line serves stations from Siegstr. and Michaelshoven to Surth.

Lines 16 and 18 are the longest lines in the network, connecting Cologne to Bonn via railway lines.


3.4. Former lines Butzweilerhof extension Line 5

The Kolner Verkehrsbetriebe KVB opened a 1.85 km 1.15 mi-long extension from the former Ossendorf terminus into the Butzweilerhof/Gewerbegebiet Ossendorf area in December 2010. Three new stations were added to the existing Line 5. Construction of the extension cost about €18.000.000, with €5 million being financed through a charge on the companies which will benefit from the extension. The remaining €13 million was financed by the KVB Koln Cologne Transit Authority.

The extension begins near the former Ossendorf terminus which has been closed, crosses the tracks of the HGK, follows the southern edge of the Hugo-Eckener-Strasse with the 1st station Alter Flughafen Butzweilerhof being sited at the corner of Hugo-Eckener-Strasse and Kohlstrasse. It then follows a new street which continues east from KohlstraSe. The line passes the new IKEA am Butzweilerhof store 2nd station, crosses the new extension of Richard-Byrd-StraSe, and ends at the intersection of Richard-Byrd-StraSe and Von-Hunefeld-StraSe.


4.1. Future expansion History

The oldest tunnel of the Cologne Stadtbahn is currently served by 30 trains per hour in each direction. Many consider this beyond the tunnels capacity. Because the tunnel was built using a cut-and-cover technique, it follows major roads distant from the old city center with its narrow alleys. To solve both problems, an additional pair of tunnels was bored directly underneath the historic downtown areas. As a bonus, the travel time for Line 16 will be decreased by about 10 minutes, because the NSS enables it to avoid the detour from Ubierring to Barbarossaplatz, only to return to the Rhine at the Central Station. It is also the final step in the separation of the high-floor and low-floor networks.

The current expansion project under construction is a new North-South tunnel Nord-Sud-Stadtbahn, NSS. The new 3 km long tunnel will be the first newly built line since the opening of the original downtown tunnel in 1968. Every line opened in between had been just a replacement for current or previous surface lines.


4.2. Future expansion Tunnel collapse and delays

On 3 March 2009 the building of the Citys archive collapsed into a Stadtbahns tunnel under construction on the SeverinstraSe, killing two people. Poor construction, the theft of necessary iron reinforcements and several ground water break-ins into the tunnel, which were not reported or controlled properly by the construction company, are among the alleged causes for this catastrophe.

In order to make use of the already completed tunnels and stations, a shorter service running from Dom/Central Station to Rathaus city hall started operation in December 2012, re-routing Line 5 from its previous terminus at Reichenspergerplatz to serve the new NSS. A further expansion to Heumarkt opened in December 2013. Starting 13 December 2015, four underground stations from Bonner Wall to SeverinstraSe were opened.

The next step of the expansion will be an above ground extension from the Marktstr. station down Bonner StraSe, through Bayenthal. Construction will start Spring 2016 and should be completed sometime in 2018. Full operation of the North-South Rail Tunnel will not be achieved until 2023 due to the issues of stabilizing the section of tunnel that collapsed in 2009.


4.3. Future expansion Cost

The extra cost of approximately 4 million euro is planned to mitigate the negative perception of the NSS project due to the collapse as well as budget increases, late completion originally planned for 2011 and disruption. In order to avoid the possible destruction of archaeological artefacts underneath one of the oldest cities in Germany, the NSS was bored down to nearly 30 meters below ground level. At the location of the future stations however, archaeological digs were still required and are cited as one of the reasons for the already significant cost overruns. While initially estimated to cost around 600 million euro, the current price tag is calculated at around 960 million euro. Because the second stage, connecting the tunnel to the line along the Rhine river has not yet been tendered, but is expected to cost another 100 million, total cost is likely to exceed 1 billion euro.


4.4. Future expansion Other plans

  • Stichstrecke from Hurth-Hermulheim to Hurth-Center
  • Extension of the tunnel on the Neusser StraSe from MollwitzstraSe to Wilhelm-Sollmann-StraSe
  • Construction of a new railway line from Deutz to Flittard and the headquarters and route over the planned district of Mulheim-Sud; A further connection to Leverkusen - Wiesdorf or even to - Opladen is discussed.
  • Extension of the Kolner Gurtel#Gurtelbahn Line 13 in the south to the Deutsch Bahn line planned S-Bahn Rhein-Sieg and on the right from the Rhine from Mulheim to Ostheim and later to the S-Bahnhof Frankfurter StraSe
  • Extension of Line 1 from Bergisch Gladbach-Bensberg from further east Bergisch Gladbach-Moitzfeld to Gladbach-Herkenrath Kurten-Spitze
  • Extension of Line 3 to Gorlinger-Zentrum Schumacherring stop. Beginning of the preparatory work began in early February 2016. A later extension to Cologne-Pesch or Cologne-Esch / Auweiler was dropped from the planning. It was opened on 27 August 2018.
  • Extension of Line 7 to the new development area Grube Carl in Frechen and possibly further to Frechen-Habbelrath
  • Extension of Line 5 via the Gewerbegebiet Am Butzweilerhof to Longerich and there follow the S-Bahn Rhein-Ruhr And / or the urban railway Line 15
  • Lines 5 and 13 to NuSbaumerstraSe and Subbelrather StraSe as well as an additional stop at Ehrenfeld railway station
  • Extension of the Nord-Sud-Stadtbahn from Arnoldshohe south to Cologne-Meschenich.
  • Extension of Line 7 to the new development area Ranzeler StraSe in Cologne-Zundorf to end 2019, possibly later on via Niederkassel to Bonn
  • Connection of the district Widdersdorf either from Mengenich Line 4 or from Weiden-West, The city being preferred when registering to the public transport requirement plan 2017, the variant over Line 1 because of lower costs and higher development effect preferential


5. Closures

  • The route from Bonntor via the Bruhler StraSe to Raderthal, AnnastraSe closed on 24 October 1955
  • On the cross-track then Line 19 passenger traffic ceased in 1981. The trains traveled from Bruhl Mitte via Bruhl Nord, Bruhl Bridge, Bruhl East, Berzdorf North, Berzdorf, Wesseling North to Wesseling. Since there is extensive freight traffic of the HGK, the route was not reduced. For boarding and alighting of the depot Wesseling the route is also used by light rail vehicles.
  • The route from the Friesenplatz via Venloer StraSe to Hans-Bockler-Platz closed on 31 May 1981 was replaced because of the tunnel construction section West I by the detour route over Gladbacher StraSe and later replaced by the tunnel route.
  • The branch from Buchheim to the Bf. Mulheim decommissioned on 22 November 1956
  • The branch from the Rheinuferbahnstrecke to the SiegfriedstraSe in the center of Rodenkirchen ceased operation after conversion of the Rheinuferbahn to Stadtbahn on 12 August 1978. Before, it was operated by the tram line 16.
  • The Weidenpescher Park loop from Neusser StraSe via RennbahnstraSe, Weidenpescher Park and ScheibenstraSe in the course of tunnel construction in Neusser StraSe closed on 25 August 1974
  • The route from Deutz / Messe via Deutz-Mulheimer StraSe. This route was replaced by the new line over the Pfalzischen ring, remained on the southern remainder as Werksberufsverkehr to KHD on the southern piece first received, was then shortened on two siding under the Zoobrucke. This remained until the last reconstruction of the Deutz / Messe station. Decommissioned between 16 December 1962 and 27 August 1976
  • The route from the Mannsfeld to Arnoldshohe decommissioned on 10 September 1951 is to be rebuilt as the 3rd construction phase of the north-south railway
  • The route Friesenplatz over Brabanter road to Rudolfplatz closed on 18 October 1970. Until 1981 still use as operating distance.
  • The route over Niehler StraSe to Niehl closed on 26 October 1958. As alternatives were later the branch of the NeuSer road over Niehl after Merkenich as well as the underground of the Reichensperger place over the Amsterdamer road to Niehl / SebastianstraSe built.
  • The route from Cologne-Junkersdorf to Lovenich decommissioned on 22 October 1956, rebuilt since 2002 and further led to pastures
  • The route to Loop Bickendorf, Acacia Trail from Venloer StraSe to Gruner Brunnenweg closed on 7 January 1975
  • The route to the loop Merkenich, Olhafen closed on 30 December 2000
  • The route Mulheim, Wiener Platz via Bergisch Gladbacher road to Holweide, VischeringstraSe. Decommissioning with the opening of the subway Mulheim on 31 May 1997.
  • The route from Chlodwigplatz via Bonner StraSe, Koblenzer StraSe and Goltsteinstrasse to Cologne-Marienburg Line 6 was completed on 30 August 2002 in the course of preparation for the construction of the north-south light rail, replaced by bus 106.
  • The street-level route from Hohenberg, Bennoplatz via Olpener StraSe to crossing Hohenberg, Frankfurter StraSe. Neutrassierung on own tracks parallel to the Olpener road; later lowered into tunnel closed on 17 November 1964
  • The small train Siegburg-Zundorf belonging route from Porz-Zundorf via Niederkassel to Troisdorf and Siegburg closed on 6 September 1964. A reconstruction of the section from Zundorf to Langel and possibly later on via Niederkassel to Bonn has been under discussion for a long time.
  • The route from Thielenbruch to Bergisch Gladbach closed on 6 May 1957 and 16 November 1958, since 1975 S-Bahn S 11 Cologne – Bergisch Gladbach
  • The distance from the cathedral / Hbf. via the ChristophstraSe later replaced by the underground line Dom / Hbf. – Appellhofplatz – Friesenplatz and further on the Gladbacher StraSe with a branch to EscherstraSe closed on 11 October 1968
  • The route from Nittumer Weg city boundary to Leverkusen-Schlebusch cemetery, at the former southern edge of the village closed on 1 May 1958
  • The route from Cologne-Mulheim via Stammheim, Flittard, Bayerwerk and Wiesdorf to Opladen closed on 26 October 1958, since 1991 partly replaced by the S-Bahn S 6 Cologne – Leverkusen – Dusseldorf. Opladen can be reached by the DB regional train.

6. Tram stop closures

  • MilitarringstraSe Bayenthal
  • Innere KanalstraSe Ehrenfeld
  • Marienburg now: Heinrich-Lubke-Ufer
  • Mulheimer Ring Buchheim
  • Klettenberg Klettenberg, now Klettenbergpark
  • Deutz-Kalker Bad now: Deutz Technische Hochschule
  • RochusstraSe Bickendorf, renamed in AuSere Kanalstr. now: Rochusplatz
  • AuSere KanalstraSe Neuehrenfeld now: IltisstraSe
  • Ossendorf, closed down in the course of the extension of line 5
  • FrankstraSe Rodenkirchen
  • Gotenring Deutz then: Deutz-Kalker StraSe
  • Bensberg old then: Im Hoppenkamp
  • Kalk, Markt additional stop during the underground construction
  • Stadion now: Rheinenergie-Stadion
  • Bahnhof Deutz, JustinianstraSe and ConstantinstraSe underground now: Bahnhof Deutz/Messe; overground then: Bahnhof Deutz/KolnArena; heute: Bahnhof Deutz/LANXESS arena
  • Fixheider Weg Hohenhaus, replaced by Im Weidenbruch
  • Tulpenweg Zundorf
  • KruckelstraSe Poll
  • Marienburg, Sudpark Marienburg
  • Marienburger StraSe Marienburg
  • Bayenthalgurtel Marienburg then: GoltsteinstraSe/Gurtel
  • Fordwerke, Olhafen Niehl
  • Bonntor Bayenthal
  • Takuplatz Neuehrenfeld
  • KeupstraSe on the Bergisch Gladbacher StraSe, then: MontanusstraSe Mulheim
  • Neuenhofer Allee Sulz
  • Ziehglaswerke Zundorf then: Porz Glaswerke
  • Schonhauser StraSe Bayenthal then: Koblenzer StraSe
  • Mungersdorf now: Alter Militarring
  • Kitschburger StraSe Lindenthal
  • Neurather Ring Hohenhaus later: Hohenhaus, Neurather Weg
  • MaternusstraSe Rodenkirchen
  • Herler Ring Buchheim
  • RolandstraSe Neustadt-Sud
  • Rixdorfer StraSe now: Mulheim, Berliner StraSe
  • Poll, Autobahn Poll, replaced by Baumschulenweg
  • Bickendorf, closed down
  • GumprechtstraSe Ehrenfeld
  • Venloer Wall Neustadt-Nord
  • HomarstraSe Vingst
  • Messe/Sporthalle then: KolnMesse/Osthallen; now: KolnMesse
  • Sudbrucke Poll
  • TacitusstraSe Bayenthal
  • Vingst Ost Vingst
  • Betzdorfer StraSe Deutz

7. Rolling stock

Since the last traditional tramcars were retired in 2006, the Stadtbahns active rolling stock consists exclusively of modern articulated light rail vehicles. All of them are about 30 m 98 ft 5 in long, 2.65 m 8 ft 8 in wide, seat approximately 70 passengers and are approved for speeds of up to 80 km/h 50 mph. With rare exceptions, all services are operated by two units coupled together.


7.1. Rolling stock Stadtbahnwagen B

In 1973, Cologne received two prototypes of the DUEWAG Stadtbahnwagen B LRV. Since then, 172 units in four batches were delivered to Cologne until 1996. The first generation series 2000 is currently being retired, while the second generation series 2100 is due to receive a major overhaul for at least another 15 years of service.


7.2. Rolling stock Low-floor LRVs K4000 and K4500

After tests with a low-floor tram from Vienna, a similar vehicle was developed for Cologne by Bombardier Transportation, later becoming part of Bombardiers standardized Flexity Swift family. A total of 124 low-floor trams were delivered between 1995 and 1998, referred to as "K4000". These vehicles received numbers starting with 4001.

When it was decided to create a second low-floor network, an option for high-floor vehicles was changed to additional low-floor vehicles. Bombardier developed a new low-floor tram based more on the K5000 see below than on the K4000. These new trams were named "K4500". Delivery of 69 units started in 2005 and was completed in late 2007.

The CR4000 trams operating on Tramlink in Croydon, England are largely based on the original K4000 stock used in Cologne.


7.3. Rolling stock CitySprinter

By the time a new series of high-floor vehicles was needed, DUEWAG had been sold to Siemens Transportation Systems and later dissolved, meaning that additional Type B cars were no longer being made. Siemens subsequently proposed the "CitySprinter", a high-floor derivative of its Combino series of low-floor city trams.

In August 1999, after two months of testing, the first CitySprinter prototype crashed into another tram at 50 km/h 30 mph at the "ChristophstraSe/MediaPark" U-Bahn station. The accident was caused by a simultaneous electronics shutdown resulting in the trains inability to apply its brakes. Eight people sustained serious injuries. A second prototype was produced but as a result of the crash was never delivered.


7.4. Rolling stock High-floor LRVs K5000 and K5200

Following the failure of the CitySprinter, Bombardier derived a high-floor tram from the K4000. 59 units, named "K5000", were delivered in 2002 and 2003. The numbering was changed to 5101 at short notice to avoid re-using the number 5001, which had been the number of the ill-fated CitySprinter. Another 15 vehicles of the same design, named "K5200", were delivered before 2011.

The M5000 trams used by Metrolink in Manchester, England are almost identical to the K5000/K5200 series used in Cologne.

  • as a hub for local bus, tram, and Stadtbahn services. The first station was constructed in 1844 by the Bonn - Cologne Railway Company, as part of the West
  • station on the Cologne Stadtbahn line 18, located in the Cologne district of Nippes. The station lies on Riehler StraSe, adjacent to nearby Cologne Zoological
  • PiusstraSe is an underground station on the Cologne Stadtbahn lines 3 and 4 in Cologne The station lies on Venloer StraSe, corner PiusstraSe in the district
  • Akazienweg is an underground station on the Cologne Stadtbahn lines 3 and 4 in Cologne The station lies on the intersection of Venloer StraSe and Akazienweg
  • underground station and hub on the Cologne Stadtbahn lines 3, 4, 5, 12 and 15 in Cologne The station lies on the Cologne Ring, corner Friesenplatz in the
  • LohsestraSe is a station on the Cologne Stadtbahn lines 12 and 15, located in the Cologne district of Nippes. The station lies on Neusser StraSe, adjacent
  • LeyendeckerstraSe is an underground station on the Cologne Stadtbahn lines 3 and 4 in Cologne The station lies on Venloer StraSe, corner LeyendeckerstraSe

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