NS TRAIN SERVICES AND STATIONS
On the line from Utrecht to Gouda and Rotterdam. Immediately west of the station, a line proceeds west to Alphen a/d Rijn and Leiden. And at Harmelen Aansluiting (Interlocking), 4 km east of the station, a line diverges north to Breukelen, where it joins the line between Amsterdam and Utrecht.
Mapping the Station and Lines
Zoomable Google Maps show the station and rail routes in the area.
Wikipedia link containing further station information and history.