The city is situated on various islands which makes city transport a special enterprise. The Stockholm T-bana is also considered to be one of the most beautiful metro systems in Europe, especially the newest line blue is a real art gallery. Stockholm's tunnelbana is km long 62 km are underground with stations. From most trains have been replaced by the new Vagn The Stockholm Tunnelbana is operated on the left. Between Slussen and Skanstull the Tunnelbana uses a tunnel already built in for rapid tram lines serving the southern suburbs.
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The Stockholm Underground Swedish : Stockholms tunnelbana , lit. The first line opened in , and today the system has stations in use,  of which 47 are underground and 53 above ground. There are three coloured main lines on the tube maps.
These do however form seven actual routes with different termini. Routes numbered 17, 18 and 19 belonging to the green main line , 13 and 14 red main line and 10 and 11 blue main line all go through Stockholm City Centre in a very centralized metro system.
All seven actual lines use The T-Centralen hub station. Apart from this central station for the metro, there exists just one other interchange between lines, the Fridhemsplan station, although both the green and red lines are mutually accessible at the Slussen and Gamla Stan stations.
The underground is equipped with ticket gates. Single tickets must be bought in advance, typically in privately owned smaller shops, or at ticket machines that are available in all underground stations and on several tram, bus, or boat stops.
Passengers can also buy tickets at the ticket booth, just by the gates to the underground. Traffic in underground moves on left-hand side, because cars and trams still drove on the left in Sweden when the underground system opened. In , the underground carried million passengers,  which corresponds to 1,2 million in a normal weekday. The decision to build an underground was made in The following years, and in some cases earlier, some routes were built with near underground standard but operated with trams.
In , a second line from Slussen to Stureby was opened which was also tram operated until then. During the period —, the Green Line was extended piece by piece. The third and final system, the Blue Line, was opened in , with two lines running northwest from the city center.
As the construction requirements have become more strict over the years, newer segments have more tunnels than older ones, and the Blue Line is almost entirely tunnelled. One station, Kymlinge , was built but never put into use. One station has been taken out of use and demolished. The Stockholm metro is well known for the decoration of its stations; it has been called the longest art gallery in the world. At Rissne , an informative wall fresco about the history of Earth's civilizations runs along both sides of the platform.
The following details relate to the present network. The designations "blue line", etc. They originated from the fact that the "blue line" tended to operate newer train stock painted blue, while the "green line" had older stock in the original green livery. There was never any red painted stock, though, but red or originally orange was chosen to differentiate this line from the other two networks on route maps.
Trains are operated from to , with extended all night service on Fridays and Saturdays. All lines have trains every 10 minutes during the day, reduced to every 15 minutes in early mornings and late evenings, and every 30 minutes at night. Additional trains during peak hours gives a train every 5—6 minutes on most stations, with 2—3 minutes between trains on the central parts of the network.
A wide majority of the metro stations are located in suburbs, but the network is centred on T-Centralen where all trains in the entire network pass. In the past, there have been additional line numbers in use for trains operated on part of a line, or during peak hours only. There is a connection to the main rail network, which is used for deliveries of new trains and some other purposes.
In this case trains are pulled by locomotives since the electrical and other standards are different. There are three main types of cars in the Stockholm metro: the newer C20 and C30 stocks, and the older C1—C15 stocks, which are collectively referred to as the Cx stock. A train typically consists of two or three cars of the C20 stock connected in double or triple configuration six or nine cars , two cars of the C30 stock connected in double configuration 8 cars , or six or eight cars of the Cx stock.
When the C20 was introduced, it appeared that trains consisting of four C20 cars would not fit completely on these platforms.
However ten car Cx trains have only been used in service on the blue line, where except for the platforms at Husby, all platforms are built to fit ten car trains. There are cars of the C20 stock, and around Cx stock cars. The green line only uses the new cars, and they are used most of the time on the Red and Blue Lines. However, during rush hours, especially on shortened services, older cars are commonly seen.
Historically the metro is converted from a tramway and the older sections were run as tramway for a few years.
The naming convention for rolling stock comes from this, where A are motorised trams, B are unmotorised trams trailers and C are metro cars. The name Cx collectively refers to all the older types C1—C The only cars of the Cx stock still in use are C6, C14 and C They are The cars take 48 seated passengers, and to standing passengers. The C6, C14 and C15 trains were built in the s and s. The C20 car is double- articulated , It uses only four bogies, two under the middle part, and one under each end part of car.
The car takes seated passengers, and standing passengers. Three such units normally form a train. The C20 stock cars were built between and and first entered service in A single prototype car designated C20F stock is in use.
Built on Bombardier Transportation 's FICAS technology,  it has a lighter body, much thinner side walls, and more space compared to the regular C20, by using a sandwich-like composite construction of the body. It also has air-conditioning for passenger area, whereas standard C20 has air-conditioning only for the driver's cab. However only the last 70 C20 units produced are equipped with air conditioning in the drivers cab. All other C20 units completely lack air conditioning.
Therefore units lacking air conditioning are usually placed in the middle of trains and moved to the blue line during the summer, where the air conditioning is the least needed.
The C20F weighs 65 tonnes 64 long tons; 72 short tons , other exterior measurements are the same as for the C The C20F has the same number of seats as the C20, but has space for standing passengers. The C30 is a future articulated train type manufactured by Bombardier Transportation which is delivered since for use on the red line. The 96 cars under the C30 type are planned to be put in service from the end of on.
They will be formed in semi-permanent four car units with open gangways between cars. Two such units will normally form a train. Compared to previous stock, the cars will have fewer seats for increased capacity. Maximum acceleration and deceleration is 0.
The reason for the lower speed limit on the Green Line is due to tighter curves than on the other lines, because the Green Line was built by cut and cover under streets in the inner city, while the other lines are bored at greater depth.
To allow close-running trains with a high level of safety, the metro uses a continuous signal safety system that sends information continually to the train's safety system. The signal is picked up from the rail tracks through two antennas placed in front of the first wheel axle and compared with data about the train's speed. Automatic braking is triggered if the train exceeds the maximum permitted speed at any time. The driver is given information about the speed limit through a display in the driver's cabin; in C20 stock, and in Cx stock outfitted for operation with the new signal system installed on the Green Line, this is a speedometer with a red maximum speed indicator needle , while the traditional display in the Cx stock is a set of three lights indicating one of three permitted speeds high, medium, low.
The system allows two trains to come close to each other but prevents collisions occurring at speeds greater than 15 kilometres per hour 9.
More modern systems also ensure that stop signals are not passed. Another possibility is automatic train operation, which helps the driver by driving the train automatically. However, the driver still operates the door controls and allows the train to start. ATO is as of only available on the Green line, where a new signal system was installed in the lates. This signal system, together with the C20 rolling stock, permits the use of ATO. The signalling system on the Red Line was supposed to be replaced with a Communications-based train control CBTC system manufactured by Ansaldo STS under a contract awarded by SL in , however SL cancelled said contract in , reportedly after repeated delays in project implementation.
Since the mids, the Stockholm metro has been seriously affected by graffiti. Previously a train on which graffiti had been painted could remain in service for weeks and graffiti could remain in place at stations for months if not for years. Nowadays, however, trains with graffiti are taken out of service immediately and graffiti at stations is regularly cleaned up within a few days. The cost of graffiti and vandalism has been calculated at approximately SEK million per year.
During the s, the Stockholm Transit System SL started outsourcing security to private security firms, some of which have been accused of using unlawful methods, such as the use of plainclothes guards and heavy-handed treatment of vandals arrested, and even heavy-handed treatment of ticketless passengers trying to escape.
The mainstay among the private security contractors in the fight against graffiti is the Commuter Security Group. In , it was announced that agreement had been reached on the future of several extensions. Preliminary planning started in  and revenue service on the first sections is projected to begin in the mid s. Altogether, this amounts to the following new constructions: .
From Wikipedia, the free encyclopedia. A C6 train on line 14 near Gamla stan. This diagram: view talk edit. See also: List of Stockholm metro stations. Main article: SL C Trains portal Sweden portal. Storstockholms Lokaltrafik SL. Archived from the original PDF on 27 September Retrieved 21 May Stockholm County Council.
Retrieved 2 December MTR Nordic.
Tunnelbaneplan för Stockholm 1965