the establishment of infrastructure requirements, in particular in the field of interoperability, safety and security, which will ensure quality, efficiency and sustainability of transport services;
cheanglais maidir le bonneagar a bhunú, go háirithe i réimse na hidir-inoibritheachta, na sábháilteachta agus na slándála, lena n-áiritheofar cáilíocht, éifeachtúlacht agus inbhuanaitheacht seirbhísí iompair;