Paragraph 2.4.1 Requirements specific to each subsystem
Safety
The rolling-stock structures and those of the links between vehicles must be designed in such a way as to protect the passenger and driving compartments in the event of collision or derailment.
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The electrical equipment must not impair the safety and functioning of the control and command and signalling installations.
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The braking techniques and the stresses exerted must be compatible with the design of the tracks, engineering structures and signalling systems.
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Steps must be taken to prevent access to electrically-live constituents in order not to endanger the safety of persons.
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In the event of danger devices must enable passengers to inform the driver and accompanying staff to contact him.
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The access doors must incorporate an opening and closing system which guarantees passenger safety.
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Emergency exits must be provided and indicated.
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Appropriate provisions must be laid down to take account of the particular safety conditions in very long tunnels.
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An emergency lighting system having a sufficient intensity and duration is an absolute requirement on board trains.
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Trains must be equipped with a public address system which provides a means of communication to the public from on-board staff and ground control.