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The City Circle Line (Danish: Cityringen) is a future expansion of the Copenhagen Metro. Plans for its construction were approved by the Danish Parliament on 1 June 2007. Preferred bidders were announced in November 2010. The total cost was estimated at 15 billion kroner but had risen to 21.3 billion kroner when the contractors were announced.
Contents
Stations and route
The 15.5 km City Circle Line will serve 17 stations. It will intersect the M1 and M2 lines at Kongens Nytorv and Frederiksberg stations, and suburban train services at København H, Østerport and Nørrebro. It will extend the Metro network to the Nørrebro and Østerbro areas and København H (the Copenhagen central station).
Initially, two possible routes were considered, after an even bigger screening of ideas. In December 2005, the Copenhagen and Frederiksberg municipalities selected the Frederiksberg route. The purpose is to cover areas not yet served by S-trains or the Metro.
The finished line will influence much of Copenhagen's current transport network; it is believed that the expanded Metro will replace most bus services in the inner city.
The excavation earth is being used to fill the Nordhavn reclamation project in Øresund.
Planned routes
The Metro company plans to let the track be served by two new lines, the M3 and M4. These will run on the same tracks, but the M3 will be a circle route running around the entire line, whereas the M4 will branch off towards Orientkaj at Østerport Station and Ny Ellebjerg at København H. This will equalize the number of passengers in the busiest part of the line.
A map published by the Metro company shows an additional three potential lines extending into the suburbs of metropolitan Copenhagen. Two of which have been approved as parts of the M4 line.
Stations under construction
Stations are listed counterclockwise, beginning in the southeast.
These new stations will have a similar design and structure to those of the current Metro, but with more varied materials and colors, making the individual station more recognisable.
M4 stations also include Nordhavn and Orientkaj.
M4 South Harbour branch
In September 2013 it was announced that a further five stations (Fisketorvet, Enghavebrygge, Ved Slusen, Mozarts Plads, and Ny Ellebjerg) will be added to the M4 line.
Trains
AnsaldoBreda will supply trains, likely to be the same type as the current AnsaldoBreda Driverless Metro trains. The advanced driverless function has made AnsaldoBreda the monopoly supplier of the trains, since they own the technology of the entire system.