English: The Metro Commission's 1963 proposal for a metro system in Helsinki. Dark blue = above ground tracks, dashed light blue = underground tracks. Left: proposed construction stages. Basemap from 2018.
Suomi: Metrotoimikunnan vuoden 1963 ehdotus Helsingin metrojärjestelmäksi. Tummansininen = maanpäällinen rata, vaaleansininen katkoviiva = maanalainen rata. Vasemmalla: ehdotetut rakentamisvaiheet. Pohjakartta vuodelta 2018.
Svenska: Metrokommissionens förslag till ett metrosystem för Helsingfors 1963. Mörkblå = bana på markytan, ljusblå = bana i tunnel. Till vänster: föreslagna utbyggnadsskeden. Baskarta från 2018.
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Own work based on various maps and diagrams in "Helsingin kaupungin metrotoimikunnan mietintö, osa II" (1963). Basemap by Maanmittauslaitos (CC BY 4.0)
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