# Commission Decision of 7 November 2006 concerning a technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European high speed rail system and modifying Annex A to Decision 2006/679/EC concerning the technical specification for interoperability relating to the control-command and signalling subsystem of the trans-European conventional rail system (notified under document number C(2006) 5211) (Text with EEA relevance) (2006/860/EC), Division 3.2.5.1.1: Physical Environmental Conditions

Extent: E+W+S+N.I.

Systems complying with the Class A system requirements shall be capable of operating under the climatic and physical conditions which exist along the relevant part of the trans-European high-speed network. For the interfaces to rolling stock see section 4.3.2.5 (Physical environmental conditions).
Systems complying with the Class B system requirements shall conform at least to the physical environmental specifications applying to the corresponding Class B system, in order to be capable of operating under the climatic and physical conditions which exist along the trans-European high-speed lines concerned.

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Source: https://www.legislation.gov.uk/eudn/2006/860/annex/division/3/division/3.2/division/3.2.5/division/3.2.5.1/division/3.2.5.1.1 (the official version)
Page: https://openlegislation.uk/eu-decision-2006-860/annex/division-3/division-3.2/division-3.2.5/division-3.2.5.1/division-3.2.5.1.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.