Reliability of Stockholm Subway - Index of

The function is applied on one stretch of the line between two stations only. When the
train reaches the next station the function will automatically get off. If a driver needs
to continue stirring the train in autopilot mode he/she will suppose to press the button
every time the train is leaving a station.
Another function of the drivers is to control train loading and unloading with
passengers. The driver is not physically able to observe the boarding process from the
cabin along all the train. That is why all the platforms are equipped with video
cameras, which translate the behavior of the passengers at the end of the train. Driver
has to leave the cabin and get convinced of that all the passengers has taken their
places and doors are not blocked before closing them.
The driver has to keep in mind and stick with the timetable as long as he/she is
restricted to be late or arrive earlier. He/she can control the adherence to timetable by
knowing the timetable and reading electronic information on LED screens at the
stations. The screens show information on two following trains and their calculated
arrival time in minutes basing on the trains‟ actual location.
Every time the driver starts the trip he/she has to input the trip parameters and train
identity, such as destination, number of the cars, line number, stopping code, and
other. This information together with technical data on the train will be transmitted by
antenna at the cabin and registered by sensors at the stations which are connected to
the information system.
4.2.6 Information system
All the stations are equipped with two sensors per track along platform fixing the train
arrival and departure. First sensor is located in a distance around 100 -150 m before
the platform up the line. It receives the signal from the train with the route
information. The data consists of the route and train numbers, destination, number of
cars, and others. The second sensor is located down the line, usually in a short
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