# Commission Decision of 14 November 2012 concerning the technical specification for interoperability relating to the ‘operation and traffic management’ subsystem of the rail system in the European Union and amending Decision 2007/756/EC (notified under document C(2012) 8075) (Text with EEA relevance) (2012/757/EU), Division 4.2.3.5.2: Recording of supervision data on board the train

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

As a minimum, the railway undertaking must record the following data:
the detection of passing of signals at danger or ‘ end of movement authority ’ ,
application of the emergency brake,
speed at which the train is running,
any isolation or overriding of the on-board train control (signalling) systems,
operation of the audible warning device,
operation of door controls (release, closure), if fitted,
detection by on-board alarm systems related to the safe operation of the train, if fitted,
identity of the cab for which data is being recorded to be checked.
Further technical specifications concerning the recording device are set out in the TSI Loc & Pas.

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Source: https://www.legislation.gov.uk/eudn/2012/757/annex/I/division/4/division/4.2/division/4.2.3/division/4.2.3.5/division/4.2.3.5.2 (the official version)
Page: https://openlegislation.uk/eu-decision-2012-757/annex-I/division-4/division-4.2/division-4.2.3/division-4.2.3.5/division-4.2.3.5.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.