Copenhagen–Ringsted Line

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København – Ringsted
Type Main line
Termini Copenhagen Central
Planned opening 2019
Operator(s) Not decided
Line length ca. 60 km (double track)
Number of tracks Double
Track gauge 1,435 mm (4 ft 8 12 in)
Electrification 25 kV 50 Hz AC
Operating speed 180 km/h (110 mph)
250 km/h (160 mph) (from 2023)
Signalling ATC (until 2023)
ERTMS (from 2023)
Route map
Two solutions for the Copenhagen–Ringsted line.

The Copenhagen–Ringsted line is a railway under construction on Zealand, Denmark, connecting Copenhagen via Køge with Ringsted. Supporting speeds of up to 250 km/h for passenger trains as well as a maximum of 24 trains per hour along its length; once completed, it is to become the first high-speed railway in Denmark.[1] The line is expected to be inaugurated during May 2019.

The construction of the Copenhagen–Ringsted Line was largely as a consequence of the conventional Copenhagen–Fredericia/Taulov Line between the Danish cities of Copenhagen and Ringsted having become highly congested. During 1999, the first proposals for the route, prepared by the national Rail Planning Committee, were rejected by the Danish Parliament, leading to further studying and refinement. In 2009, the government formally discounted the idea of simply building an extra line alongside the traditional line and, during the following year, opted to authorise the building of a higher-speed line along a new alignment. National railway infrastructure agency Banedanmark intentionally divided the project's work into individual packages, worth between €30 million and €200 million, which were competitively bid for by multiple consortiums and individual companies.

On 12 September 2012, the construction phase of the programme officially begun. In addition to the line itself, other engineering works are also being performed, including the building of two new stations, one at Ny Ellebjerg and the other at Køge North, while additional infrastructure is also being installed at existing stations. By late 2017, reports emerged of severe difficulties having been encountered with the new line's signalling system; according to project officials, initial operations are to be limited to only one train per hour for the first year while remedial work is performed.


Background and options[edit]

During the late 1990s, the conventional railway between the Danish cities of Copenhagen to Ringsted became highly congested, forming a bottleneck along that section of the Copenhagen–Fredericia/Taulov Line. Recognising the necessity of addressing this situation, Danish officials began to consider various methods intended to resolve this.[1] In 1993, the first proposals for improving railway transportation between Copenhagen and Ringsted were formalised; one of the early options explored to be explored was the construction of new main line-standard tracks between Hvidovre and Taastrup. During 1994-1997, the Rail Planning Committee decided to expand the railway lines in order to meet passenger capacity between Copenhagen and Ringsted and suggested various specific methods, such as expansion with two new tracks.[1]

During 1997, the Planning Act was passed, which incorporated a plan for the construction of a new line between Copenhagen and Ringsted.[1] Furthermore, the act provided three different solutions for the project; these involved either the expansion of the existing tracks via the construction of a pair of new tracks alongside the existing lines or construction of two tracks along a new alignment between Copenhagen and Ringsted via Køge, which including an option for building a new station at Køge.[1] A combination of both expansion and new construction were also considered. During March 1999, these proposed solutions were rejected, thus efforts were made to refine these proposals ahead of another review.[1] International consultancy firm NIRAS was involved in the production of preliminary design and project propositions.[1]

Selection and approval[edit]

During March 2007, following a review of the studied options, the Danish parliament decided[2] to restrict further research activity to two of the potential solutions, the so-called 'greenfield solution' and the 'fifth-track solution'. In late 2009, the fifth-track solution was officially rejected,[3] although it was projected that this option would have been cheaper.[4] During May 2010, the greenfield solution for the line received approval from the Danish Parliament in the form of the Construction Act.[1]

The greenfield solution's aim is the diversion of all trains which do not service local destinations between Copenhagen and Roskilde or between Roskilde and Ringsted, onto a newly-built line, which later became known as the Copenhagen–Ringsted Line.[5] By building the Copenhagen–Ringsted Line, it was anticipated that local traffic could then be expanded on the existing railway, while those trains which traveled on the new line would benefit from reduced travel times between Copenhagen and Køge, where a new station will be constructed at Køge North, to be reduced by 15 minutes.[5] In total, a 60km section of new dual-track electrified railway, capable of handling speeds of up to 250km/h for passenger trains, is to be built; reportedly, this undertaking shall be the largest rail programme to ever be performed by national railway infrastructure agency Banedanmark.[1]

The decision to construct a new high speed railway line that it led to the forming of an initiative, known as the one hour target, which is a stated aim of reducing travel times across Denmark's major cities, such as Copenhagen, Odense, Aarhus and Aalborg, to just one hour. The Copenhagen–Ringsted Line shall help reduce some of these intercity journey times to one hour or less, although it is also acknowledged that further higher-speed lines shall need to be constructed in order achieve all of the desired reductions.[1]


As intended, trains are to follow the existing line from Copenhagen Central station through Ny Ellebjerg station. The new line will begin south of the Vigerslev Allé station, and follow the Kulbanevej street and the Motorway 21. From there, it will turn north of Ishøj and after that follow the motorway E20 all the way to Fjællebro (Kværkeby) in Ringsted Municipality, from where it will go north of and parallel to the old Vestbanen line until Ringsted.[6] The line will also be linked to an existing 180km railway that passes between Copenhagen and the Danish land border with Germany.[1]

The new platforms on the left

The Copenhagen–Ringsted Line will feature a new station at Ny Ellebjerg; this facility is intended to be connected to the S-train line F and a future metro line.[7] Another new station, Køge North Station (Køge Nord Station), is to be established just south of the road Egedesvej. This facility is to be equipped with train platforms both east of (S-train) (in Ølsemagle Lyng or Ølsemagle Strand) and west of the motorway (close to the village Ølsemagle, further to the west), located near motorway exit 32 north of Køge. A 225 meter (738 feet) pedestrian bridge formed as a tube over the motorway will form a connection between the platforms. Furthermore, an additional track is to be installed at Køge Station while Ringsted Station is to be renovated as well.[1]

The programme shall require the construction of various civil engineering works, including a total of five tunnels, which possess a cumulative length of 2,000 meters, and four bridges, which had a combined length of 1,800 meters.[1] In addition, various roads, bridges, and miscellaneous passages are to be installed along the length of the route. Reportedly, the construction phase shall require 128,000 cubic meters of concrete, 105,000 tonnes of steel, 358,000 cubic meters of gravel and 327,000 cubic meters of chippings.[1]


During January 2011, it was announced that a consortium of Vössing, EKJ Consulting and Sweco, led by engineering company Atkins, had signed a contract with Banedanmark to design the first stretch of the railway line.[1][8] Banedanmark decided that the best approach would be to divided the contracts for the civil works into packages worth between €30 million and €200 million.[9] In July 2012, civil engineering firm MT Højgaard was awarded a contract for the construction of four road bridges and railway bridges near Vallensbaek and Brøndby, while Aarsleff Rail was contracted by Rail Net Denmark to construct 12 bridges between Ishøj and Greve in January 2013.[1] During June 2013, a consortium of Barslund and CG Jensen received a contract for the construction of a bridge on Brondby Østervej, as well as a railway tunnel near Holbækmotorvejen, and a pass through Vestvolden.[10][9]

On 12 September 2012, a ceremony officiated by the then-Minister for Transport Henrik Dam Kristensen was held to mark the commencement of construction activity on the new line; at the occasion, much fanfare was made of the improvements to international travel that it promised to enable once completed.[11] According to official documentation published during 2005, the projected time for the line's completion was eight years from its authorisation, of which construction will take five years.[12] Reportedly, the Copenhagen–Ringsted Line was estimated to incur a one-time cost of $1.83 billion to complete.[1]

Progress on the line has encountered some difficulties, by 2017, the project was reportedly four years behind schedule; Villum Christensen of the Liberal Alliance party has referred to the project as having been a “parody of public planning at its worst”. After several issues with the line's new signalling system had surfaced, the project leaders announced in late 2017 that initially only 1 train per hour would be able to pass the new line. According to them, capacity would later be slowly increased on an ongoing basis.[13] As designed, the total capacity of the new line was planned to be 24 trains per hour per direction, but this number is far larger than the current capacity of Copenhagen Central Station, which is ca. 17 trains arriving from west per hour.[14]

Because of trouble installing equipment for the signal system ERTMS into the trains, the route will initially have the traditional signal system ATC installed along the new line.[15] This limits the permitted speed to 180 km/h (110 mph). It is planned to replace ATC with ERTMS in year 2023. All trains on ERTMS lines have to have ERTMS installed onboard, although these trains can go on ATC lines also.


  1. ^ a b c d e f g h i j k l m n o p q "Copenhagen-Ringsted High-Speed Line.", Retrieved: 30 June 2018.
  2. ^ "Lov om projektering af jernbaneanlæg København-Ringsted". (in Danish). 21 March 2007. 
  3. ^ "Decision" (PDF) (in Danish). October 2009. Archived from the original (PDF) on 27 September 2011. 
  4. ^ København-Ringsted projektet, Miljøredegørelse 1 – høringsudgave (in Danish). September 2008. p. 79. ISBN 87-91726-26-3 – via Trafikstyrelsen. 
  5. ^ a b "Strategianalyse København – Ringsted" (PDF). Trafikstyrelsen (in Danish). October 2005. p. 13. 
  6. ^ "Trajectory". Retrieved 30 June 2018. 
  7. ^ "Copenhagen Ringsted.", Retrieved: 30 June 2018.
  8. ^ "Consultants appointed for København capacity increase ." Railway Gazette, 30 June 2009.
  9. ^ a b "Bidding begins on København - Ringsted new line." Railway Gazette, 6 March 2012.
  10. ^ "København - Ringsted civils contract awarded." Railway Gazette, 23 October 2013.
  11. ^ "København - Ringsted groundbreaking". 13 September 2015. 
  12. ^ "Strategianalyse København – Ringsted" (PDF). Trafikstyrelsen (in Danish). October 2005. p. 44. 
  13. ^ "Multi-billion new Danish rail line to run at half capacity.", 27 October 2017.
  14. ^ "Jernbaneprojekt København-Ringsted" (PDF). Arbejderbevægelsens Erhvervsråd (in Danish). 24 March 2006. p. 6. 
  15. ^ Danish ERTMS programme facing seven-year delay