OBS_VALUE: National law is in conformity with EU legislation and it seeks to establish appropriate conditions to concretize on the national territory the interlinking of the trans-European railway system. At the EU level, see the Directive  (UE) 2016/797 on the interoperability of the rail system within the Community. The Directive is meant to set out the conditions to be met to achieve interoperability within the EU rail system. 