Helsinki Metro was opened on 1982 and it is the world’s most northern metro system. It is only 21,1 km but the upcoming extension towards Espoo will continue the line about 14 km on autumn 2016…. or 2017… or later…
Länsimetro, Western Metro, the extension to the Helsinki Metro system was finally opened on 18 November 2017!
Metro is operated by Helsinki City Transport (HKL) for Helsinki Regional Transport Authority (HSL).