Division Essential requirement 1.4.1:

‘The repercussions on the environment of the establishment and operation of the trans-European high-speed rail system must be assessed and taken into account at the design stage of the system in accordance with the Community provisions in force.’

As concerns rolling stock, this requirement is covered by boundary characteristics relating to outside noise, electromagnetic interference as well as light pollution.

The relevant characteristics to validate in respect of this TSI are defined in Sections 4.1.8; 4.1.9; 4.2.20.