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Helsinki has a total of 21.1 km of metro lines, in other words 42.2 km of track. In addition the metro has 22.8 km of shunting/turning track and track at depots. About nine kilometres of track runs through tunnels.
The largest investments in track in the years ahead will be renovation of the feeder line rail bridge in 2010 and raising the barriers alongside the track as required by the future automated metro.
Annual maintenance of the metro track and maintenance of track equipment means, for example, replacing rails and crossties, maintaining point switching equipment, clearing snow and maintaining the rolling stock.
Almost all the bridges along the metro track were renovated in the 2000s. Renovation of the Kulosaari Bridge in 2006–2008 had the greatest impact on metro traffic.
Further information on the metro is available on HKL Metro Transport’s pages
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