A timetable provides a way to operate a set of timed train movements, according to the fast clock. It is essentially a list of schedules to be run at certain times, with a defined repeat period (e.g. "repeat every hour").

Once the timetable is set up, it is initiated by starting the clock; simply click in the clock icon on the toolbar. It is stopped by clicking it again.

The clock can run faster than real time. To change the clock speed: