What rules of conduct do you know in a subway car, a suburban train – an electric train?

In a subway car:
– from the beginning to let people out of the car, then go in yourself
– do not lean against the carriage doors
– do not lean out of the window
– it is forbidden to open / close doors by force

On the train:
– do not rip off the stop valve unless absolutely necessary
– when the train is moving, do not open the doors to the street
– when the train is moving, do not stand on the steps
– when the train is moving, do not lean out of the windows