The European rail network has many advantages due to its safety and environmental friendliness . The European rail networks , which are designed according to national needs , should be adapted to the internal market : trains and transported travelers should be able to cross borders within a single space . To this end the European Union reinforces the interoperability of the networks by encouraging . Infrastructure investment In line with the basic idea behind the single market , the EU aims to enhance harmonization of passengers’ rights and working conditions .
The international transport of dangerous goods is regulated by international agreements : the ADR, RID and ADN . These rules are extended to national transport in order to harmonize the conditions for the transport of dangerous goods in the Union and to ensure . Proper functioning of the internal transport The Annexes to the Directive refer to the texts of these agreements .