take into account the physical limitations and topographical particularities of Member States' transport infrastructures, as identified in the technical specifications for interoperability (TSIs).
aithneofar leis teorainneacha fisiciúla agus tréithe ar leith topagrafacha de bhonneagar iompair na mBallstát, mar a shainítear iad sna sonraíochtaí teicniúla idir-inoibritheachta (STIanna).