A subway tunnel drilled into bedrock costs 8.5 million euros per kilometre.
The surface tracks of a subway cost 4.5 million euros per kilometre.
The estimated price-tag of the planned Kalasatama metro station is 12.5 million euros.
The costs of an expansion of the subway line west to Espoo would total some 400 million euros.
The cost of one passenger space on the subway is four times cheaper than on trams.
Compared with trains and buses, one passenger space on the subway is two times cheaper.
The Helsinki Metro began running in 1982. The line forked off to Vuosaari in 1998. The system is operated by HKL (Helsinki City Transport), who are also responsible for the bus and tram services (see logo).
Helsingin Sanomat / First published in print 13.2.2005