Det vigtigste er dog, at jernbanevirksomhederne, infrastrukturforvalterne og alle øvrige serviceleverandører (som defineret ovenfor) i fællesskab skal yde kunderne en integreret service gennem samarbejde og/eller fri adgang og gennem effektiv udveksling af oplysninger.
The main point, however, is that the RUs and the IMs and all other service providers (in the sense as defined above) must work together, either through cooperation and/or open access, as well as through efficient interchange of information, to deliver seamless services to the customer.