Copenhagen–Ringsted Line

København – Ringsted
Type Main line
Termini Copenhagen Central
Opened 2018
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 250 km/h
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. Construction began on 2012-09-12,[1] and the line should then be activated in 2018.

The current railway from Copenhagen to Ringsted (part of the Copenhagen–Fredericia/Taulov Line) is congested, and forms a bottleneck for which two solutions have been proposed.

In March 2007, the Danish parliament decided[2] to restrict research to two solutions, the so-called 'greenfield solution' and the 'fifth-track solution'. The fifth solution was rejected in late 2009,[3] although it would have been cheaper.[4]

The projected time for completion is eight years from 2010, of which construction will take five years.[5]

The main aim of the greenfield solution is to deviate all trains to the new line which do not service local destinations between Copenhagen and Roskilde or between Roskilde and Ringsted. This way, local traffic can expand on the existing railway, and travel on the new line allows travel times between Copenhagen and Køge, where a station will be constructed at Køge North, to be reduced by 15 minutes. [6] Total capacity of the new line will 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.[7]


The line will follow the motorway E20 (shared on the section north of Køge with E47 and E55).[8]


  1. "København - Ringsted groundbreaking". Retrieved 2015-01-22.
  2. – "Lov om projektering af jernbaneanlæg København-Ringsted", 21 March 2007 (Danish)
  3. Decision, October 2009 (Danish)
  4. Trafikstyrelsen, September 2008 – København-Ringsted projektet, Miljøredegørelse 1 – høringsudgave, p. 79, ISBN 87-91726-26-3 (Danish)
  5. Trafikstyrelsen, October 2005 – "Strategianalyse København – Ringsted" , p. 44 (Danish)
  6. Trafikstyrelsen, oktober 2005 – "Strategianalyse København – Ringsted", p. 13
  7. Arbejdsbevælgelsen Erhvervsråd, 24 March 2006 – "Jernbaneprojekt København-Ringsted", p. 6 (Danish)
  8. Trajectory
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