 Amsterdam-Noord is connected by one road bridge, the Schellingwouderbrug, and three road tunnels, the Coentunnel (west), IJtunnel (centre) and Zeeburgertunnel (east), to other parts of Amsterdam.Furthermore, there are five ferry lines for pedestrians and bicycles operated by the Gemeentelijk Vervoerbedrijf (GVB) to cross the IJ.They are operational 24 hours a day.