Division 3.1 General
United Kingdom
The Interoperability Directive 96/48/EC Article 4(1) requires that the trans-European high-speed rail system, Subsystems and the Interoperability Constituents including interfaces meet the Essential Requirements set out in general terms in Annex III to the Directive. The Essential Requirements are:
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Safety.
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Reliability and Availability.
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Health.
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Environmental Protection.
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Technical compatibility.
The Directive allows that the Essential Requirements may be applied to the whole trans-European high-speed rail system or be specific to each Subsystem and its interoperability constituents.
The Essential Requirements are taken in turn, below. Requirements on Class B systems are the responsibility of the relevant Member State.