"commuter rail system" . "1.524" . "1972" . "Commuter Rail" . . "commuter" . "Helsinki area commuter services" . . . . "Commuter rail" . "Local lines" . "rail" . . "Helsinki Commuter Rail" . "54.0" . . "Helsinki commuter rail network" . . . . . . . "Finland" . . . . . "Helsinki commuter rail" . . . . "70000000" . "13" . "Main line" . "Helsinki commuter rail" . "train" . "46" . "25000.0" . "'''Helsinki commuter rail'''" . . . "66" . "Helsinki commuter traffic" . "Helsinki\u2013Riihim\u00E4ki Railway" . "local railway" . "Main Line" . . "Helsinki commuter rail system" . . . "mainline" . . "commuter traffic in the Helsinki area" . "200000" . "commuter rail" . "Commuter trains in Helsinki region." . "Helsinki region commuter trains" . "Helsiniki commuter rail I/P" . "commuter trains" .