Komet

Komet, German for “The Comet,” was the name of a long-running international overnight rail service associated primarily with the route between Hamburg in northern Germany and Switzerland. The service was introduced in 1954 during the early development of Deutsche Bundesbahn’s postwar long-distance network. Its name evoked a fast journey through the night, linking the visual image of a comet with the train’s nocturnal operation and international reach. The service was initially created alongside the daytime Senator service as part of a planned connection between Hamburg and Switzerland. Its first rolling stock was an unusual lightweight diesel multiple-unit, the VT 10.5. The overnight version, VT 10.551, was commissioned by the German Sleeper and Dining Car Company, known as DSG, and constructed by Wegmann & Co. The train entered service on 15 May 1954 between Hamburg and Basel, operating three days per week with first- and second-class sleeping accommodation and a dining car. Deutsche Bundesbahn assumed operational responsibility at the beginning of 1955. The experimental VT 10.5 trainset was withdrawn in December 1960. Komet then continued with locomotive-hauled coaches, allowing the service to become more flexible and to serve a broader international timetable. By the early 1960s, it was operating daily and its Swiss destination had been extended beyond Basel to Chur. Over subsequent decades, the route and classification changed in response to European railway timetable systems, changing passenger demand, and the restructuring of overnight rail services. Komet became one of the initial nighttime services in the EuroCity network when that system was launched on 31 May 1987. During this period, it generally ran between Hamburg and Chur and carried sleeping cars and couchettes. Seasonal through coaches also connected Hamburg with Brig on selected days. The service lost its EuroCity classification in June 1991, becoming a German D-Zug, and its regular route was shortened to Hamburg–Zurich, while the Chur and Brig extensions became more limited. In the winter 1995–96 timetable period, Komet entered the CityNightLine system and received the train numbers EN 470/471. CityNightLine was then a brand and operating framework for European overnight trains. From the summer 1998 timetable period, the train was designated CNL 470/471, while remaining part of the CityNightLine category. Its later identity was therefore tied less to a single trainset than to the continuing service name within changing German and international night-train structures. Komet remained in operation into the 2010s. Deutsche Bahn ultimately decided to discontinue its CityNightLine network, ending the Komet service after the night of 10–11 December 2016. From 11 December 2016, an unnamed Nightjet service replaced it on a Hamburg–Zurich connection routed via Berlin. Komet is consequently a defunct rail-service brand rather than an active consumer or corporate brand. Its historical significance lies in its more than six decades of continuous association with international overnight travel, the transition from experimental diesel trainsets to conventional coaches, and the successive EuroCity, D-Zug, and CityNightLine operating categories.

Komet emerged from Deutsche Bundesbahn’s effort to establish a postwar long-distance network linking northern Germany with Switzerland. After Deutsche Bundesbahn was created in December 1951, it planned two Hamburg–Switzerland services: the daytime Senator and the overnight Komet. The night service required suitable rolling stock, and the period was marked by experimentation with lightweight and streamlined train concepts. Railway engineer Franz Kruckenberg, known for earlier experimental designs including the Railzeppelin, designed the VT 10.5 train family. Two diesel multiple-units were constructed for different uses. Deutsche Bundesbahn ordered the daytime VT 10.501 from Linke-Hofmann-Busch, while the German Sleeper and Dining Car Company ordered the overnight VT 10.551 from Wegmann & Co. DSG inaugurated Komet on 15 May 1954, initially running between Hamburg and Basel three days each week. The consist offered first- and second-class sleeping cars together with a dining car, reflecting the service’s emphasis on overnight comfort. Deutsche Bundesbahn took over operation on 1 January 1955. The experimental VT 10.5 equipment was retired on 20 December 1960, after which Komet continued with locomotive-hauled coaches. By the early 1960s, the service had become daily and had extended beyond Basel to Chur. A major institutional change came on 31 May 1987, when Komet was included among the first nighttime services of the EuroCity network. The regular route was Hamburg–Chur, with sleeping and couchette cars. In seasonal operation, selected through coaches continued farther south to Brig. However, the EuroCity designation did not last indefinitely. On 2 June 1991, Komet was reclassified as a German D-Zug. Its main daily route was reduced to Hamburg–Zurich, with Chur and Brig through cars restricted mainly to weekly Friday and Saturday movements. The service entered another phase during the winter 1995–96 timetable period, when it became part of CityNightLine, an international overnight-train system initially associated with DACH Hotelzug A.G. The train used the numbers EN 470/471. From 24 May 1998, it was identified as CNL 470/471, reflecting the standardization of the CityNightLine category rather than a complete change in the underlying service concept. Komet continued to operate into the 2010s as part of the European overnight rail network. Its eventual end resulted from Deutsche Bahn’s decision to terminate all CityNightLine services. The final journey took place during the night of 10–11 December 2016. Beginning on 11 December, an unnamed Nightjet service replaced the Hamburg–Zurich connection via Berlin. The history of Komet therefore spans several generations of rolling stock and multiple railway classifications, while retaining a consistent role as a branded international night connection between Germany and Switzerland.

• 2016

  Final Komet journey

  [1]Komet (train)en.wikipedia.org

  Komet ran for the last time overnight on 10–11 December after Deutsche Bahn ended its CityNightLine services.

• 1998

  Train numbers change to CNL 470/471

  [1]Komet (train)en.wikipedia.org

  The service adopted the CNL 470/471 designation at the start of the summer timetable period.

• 1995

  Komet enters the CityNightLine system

  [1]Komet (train)en.wikipedia.org

  The service was reclassified as a CityNightLine train during the winter 1995–96 timetable period and received the EN 470/471 numbers.

• 1991

  Service reclassified as D-Zug

  [1]Komet (train)en.wikipedia.org

  Komet lost its EuroCity status and its principal daily route was shortened from Chur to Zurich.

• 1987

  Komet becomes an initial EuroCity night service

  [1]Komet (train)en.wikipedia.org

  Komet joined the EuroCity network at its launch, operating between Hamburg and Chur with sleeping and couchette cars.

• 1960

  Experimental VT 10.5 equipment withdrawn

  [1]Komet (train)en.wikipedia.org

  The VT 10.5 trainset used by Komet was withdrawn on 20 December and subsequently replaced by locomotive-hauled coaches.

• 1955

  Deutsche Bundesbahn assumes operation

  [1]Komet (train)en.wikipedia.org

  Operational responsibility for Komet transferred from DSG to Deutsche Bundesbahn on 1 January.

• 1954

  Komet enters service

  [1]Komet (train)en.wikipedia.org

  DSG launched Komet on 15 May as a three-days-per-week overnight service between Hamburg and Basel using the VT 10.551 diesel multiple-unit.

• 1951

  Deutsche Bundesbahn plans the Hamburg–Switzerland long-distance network

  [1]Komet (train)en.wikipedia.org

  Following the establishment of Deutsche Bundesbahn, planners developed the daytime Senator and overnight Komet services for travel between Hamburg and Switzerland.

A cross-border overnight express connecting northern Germany with Switzerland, positioned around comfortable nocturnal travel through sleeping cars and couchettes rather than daytime high-speed transport.

• Diesel multiple-unit · 1954

  VT 10.551

  The original overnight trainset used for Komet was the VT 10.551, a lightweight diesel multiple-unit ordered by DSG from Wegmann & Co. It provided sleeping accommodation and a dining car for the inaugural Hamburg–Basel service. The experimental trainset was withdrawn in December 1960, after which Komet operated with conventional locomotive-hauled coaches.

• International overnight rail service · 1954

  Komet sleeping-car service

  Komet’s core offering was overnight passenger travel between Hamburg and Swiss destinations. Depending on the period, the service provided first- and second-class sleeping accommodation, later supplemented or paired with couchette cars. Its routes included Basel, Chur, and Zurich, with seasonal through-car connections toward Brig.

• 2016

  End the CityNightLine serviceStrategy

  Background

  Deutsche Bahn decided to terminate all of its CityNightLine services in December 2016.

  Action taken

  Komet made its final journey on the night of 10–11 December 2016.

  Aftermath

  An unnamed Nightjet service replaced the Hamburg–Zurich connection via Berlin from 11 December.

  Source

• 1995

  Adopt the CityNightLine operating categoryStrategy

  Background

  CityNightLine provided a dedicated framework and brand for international overnight trains.

  Action taken

  Komet was incorporated into the CityNightLine system under the EN 470/471 numbers.

  Aftermath

  The service remained part of the European overnight network and later used the CNL 470/471 designation.

  Source

• 1991

  Shorten the regular Swiss routeStrategy

  Background

  Komet lost its EuroCity classification during a timetable restructuring.

  Action taken

  The principal daily service was changed from Hamburg–Chur to Hamburg–Zurich, while Chur and Brig through cars became limited services.

  Aftermath

  Komet continued as a conventional D-Zug rather than an EuroCity service, with reduced regular reach in Switzerland.

  Source

• 1987

  Join the EuroCity networkStrategy

  Background

  The EuroCity network was introduced as a coordinated system for high-quality international rail services.

  Action taken

  Komet became one of the initial nighttime EuroCity services, operating between Hamburg and Chur.

  Aftermath

  The train gained EuroCity status and continued to emphasize sleeping and couchette accommodation, with selected seasonal through coaches to Brig.

  Source

• 1960

  Replace the experimental VT 10.5 trainsetStrategy

  Background

  The original VT 10.5 equipment used for the overnight service was withdrawn from operation in December 1960.

  Action taken

  Komet continued with locomotive-hauled coaches instead of the experimental diesel multiple-unit.

  Aftermath

  The change provided a more conventional operating format for the service and allowed it to continue as part of the international overnight timetable.

  Source

1. 1Komet (train)en.wikipedia.org