Amsterdam Sloterdijk is a major railway junction to the west of Amsterdam Centraal station. It is at a rail-rail crossing, with an additional chord (Hemboog). It is on the railway line from Amsterdam Centraal to Haarlem and the last station before the junction where the line Amsterdam Centraal-Zaandam diverges from it and on the crossing west branch of the Amsterdam–Schiphol railway line between Schiphol and Amsterdam Centraal.