The technical basis of those maps is provided by the interactive geographical and technical information system for the trans-European transport network (TENtec), which contains a higher level of detail concerning the trans-European transport infrastructure.
Is é córas idirghníomhach faisnéise geografaí agus teicniúla don ghréasán tras-Eorpach iompair (TENtec) bonn teicniúil na léarscáileanna sin, córas ina bhfuil sonraí níos mine i dtaobh bhonneagar an ghréasáin thras-Eorpaigh iompair.