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. The main westbound platform is between Track 1 and Track 2, and the main eastbound platform is between Track 5 and Track 6. Between Track 2 and Track 5 are two main express tracks for trains not stopping.
Mapping the Station and Lines
Zoomable Google Maps show station tracks, track numbers, and rail routes radiating away.
Typical Rail Services/Normal Track Assignments
Track numbers where the regular NS services normally depart the station.
1 west Den Haag
2 west Rotterdam/Leiden
Wikipedia link containing further station information and history.