The historic Waterfront station is the principal transit hub for the downtown core. There are six subway stations located in downtown Vancouver running on two SkyTrain lines: the Expo Line and Canada Line. The Expo Line travels from Waterfront station at the foot of the central harbor and through Dunsmuir Tunnel to the east. The Canada Line travels from Waterfront station and tunnels south under Granville Street and Davie Street, linking downtown to central Richmond and Vancouver International Airport. SeaBus is a passenger-only ferry that connects from Waterfront station to the North Shore in 10–12 minutes. The West Coast Express commuter rail system travels from Waterfront station to the eastern suburbs and exurbs. The West Coast Express travels from Waterfront to Moody Centre, Coquitlam Central, Port Coquitlam, Pitt Meadows, Maple Meadows Station, Port Haney and Mission City as its terminus station Terminals are also available near Waterfront station for float planes and helicopters.