Vantaankoski railway station  Vantaankoski railway station (, ) is a Helsinki commuter rail station located in Vantaa, Finland. It is approximately north of the Helsinki Central railway station. The station was the northbound terminus for the M commuter line from central Helsinki until 2015. The next station to the south is Martinlaakso, which was the northern terminus of the M line until the construction of Vantaankoski in 1991. The station has an island platform and local bus connections are available nearby. The station is part of the Ring Rail Line (Kehärata) route, which links Helsinki-Vantaa Airport and central Vantaa with the Helsinki commuter train network.