# The Railways (Interoperability) (High-Speed) Regulations 2002, Paragraph 2.3.2: Requirements specific to each subsystem


Technical compatibility
All new high-speed infrastructures and all new high-speed rolling stock manufactured or developed after adoption of compatible control and command and signalling must be tailored to the use of those systems.
The control and command and signalling equipment installed within the train drivers' cabs must permit normal operation, under the specified conditions, throughout the trans-European high-speed rail system.

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Source: https://www.legislation.gov.uk/uksi/2002/1166/schedule/3/paragraph/2.3.2 (the official version)
Page: https://openlegislation.uk/railways-interoperability-high-speed-regulations-2002/schedule-3/paragraph-2.3.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.