2. Requirements specific to each subsystem

Safety Appropriate steps must be taken to prevent access to or undesirable intrusions into installations. Steps must be taken to limit the dangers to which persons are exposed, particularly when trains pass through stations. Infrastructure to which the public has access must be designed and made in such a way as to limit any human safety hazards (stability, fire, access, evacuation, platforms, etc.). Appropriate provisions must be laid down to take account of the particular safety conditions in very long tunnels and viaducts. Safety Operation of the energy-supply systems must not impair the safety either of trains or of persons (users, operating staff, trackside dwellers and third parties). Environmental protection The functioning of the electrical or thermal energy-supply systems must not interfere with the environment beyond the specified limits. Technical compatibility The electricity/thermal energy supply systems used must: enable trains to achieve the specified performance levels, in the case of electricity energy supply systems, be compatible with the collection devices fitted to the trains. Safety The control-command and signalling installations and procedures used must enable trains to travel with a level of safety which corresponds to the objectives set for the network. The control-command and signalling systems should continue to provide for safe passage of trains permitted to run under degraded conditions. Technical compatibility All new infrastructure and all new rolling stock manufactured or developed after adoption of compatible control-command and signalling systems must be tailored to the use of those systems. The control-command and signalling equipment installed in the train drivers' cabs must permit normal operation, under the specified conditions, throughout the rail system. 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. The electrical equipment must not impair the safety and functioning of the control-command and signalling installations. The braking techniques and the stresses exerted must be compatible with the design of the tracks, engineering structures and signalling systems. Steps must be taken to prevent access to electrically-live constituents in order not to endanger the safety of persons. In the event of danger devices must enable passengers to inform the driver and accompanying staff to contact him. The access doors must incorporate an opening and closing system which guarantees passenger safety. Emergency exits must be provided and indicated. Appropriate provisions must be laid down to take account of the particular safety conditions in very long tunnels. An emergency lighting system having a sufficient intensity and duration is an absolute requirement on board trains. Trains must be equipped with a public address system which provides a means of communication to the public from on-board staff. Reliability and availability The design of the vital equipment and the running, traction and braking equipment and also the control and command system must, in a specific degraded situation, be such as to enable the train to continue without adverse consequences for the equipment remaining in service. Technical compatibility The electrical equipment must be compatible with the operation of the control-command and signalling installations. In the case of electric traction, the characteristics of the current-collection devices must be such as to enable trains to travel under the energy-supply systems for the rail system. The characteristics of the rolling stock must be such as to allow it to travel on any line on which it is expected to operate, taking account of relevant climatic conditions. Controls Trains must be equipped with a recording device. The data collected by this device and the processing of the information must be harmonised. Health and safety The technical installations and the procedures used in the centres must ensure the safe operation of the subsystem and not constitute a danger to health and safety. Environmental protection The technical installations and the procedures used in the maintenance centres must not exceed the permissible levels of nuisance with regard to the surrounding environment. Technical compatibility The maintenance installations for rolling stock must be such as to enable safety, health and comfort operations to be carried out on all stock for which they have been designed. Safety Alignment of the network operating rules and the qualifications of drivers and on-board staff and of the staff in the control centres must be such as to ensure safe operation, bearing in mind the different requirements of cross-border and domestic services. The maintenance operations and intervals, the training and qualifications of the maintenance and control centre staff and the quality assurance system set up by the operators concerned in the control and maintenance centres must be such as to ensure a high level of safety. Reliability and availability The maintenance operations and periods, the training and qualifications of the maintenance and control centre staff and the quality assurance system set up by the operators concerned in the control and maintenance centres must be such as to ensure a high level of system reliability and availability. Technical compatibility Alignment of the network operating rules and the qualifications of drivers, on-board staff and traffic managers must be such as to ensure operating efficiency on the rail system, bearing in mind the different requirements of cross-border and domestic services. Technical compatibility The essential requirements for telematics applications guarantee a minimum quality of service for passengers and carriers of goods, particularly in terms of technical compatibility. Steps must be taken to ensure: that the databases, software and data communication protocols are developed in a manner allowing maximum data interchange between different applications and operators, excluding confidential commercial data, easy access to the information for users. Reliability and availability The methods of use, management, updating and maintenance of these databases, software and data communication protocols must guarantee the efficiency of these systems and the quality of the service. Health The interfaces between these systems and users must comply with the minimum rules on ergonomics and health protection. Safety Suitable levels of integrity and dependability must be provided for the storage or transmission of safety-related information.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-29 · Text as adopted (Official Journal); later amendments are not incorporated in this text.