Try the following tour, recommended by residents or metro enthusiasts:
At the main station (Rautentiatori) walk outside the building to admire its Art Deco architecture by Eliel Saarinen. In Kaisaniemi station, watch out for the works of art behind glass at one end of the platform. For a sightseeing tour of the city consider line 3T, which makes an 8-shaped loop. An MP3 audio tour for line 3T is available at dewhurstdesigns.co.uk.
Older trains have a faint chime sound before closing the doors, newer trains have three beeps. Next-station announcements are in Finnish and Swedish, Rautatientori station (central station) also in English.
Metro train departing from Rautatientori (central station).