The aim of the project is to remove the double-track and build a single-track line on the section of the railway line from the Jesenice station to the Podrožca station (Republic of Austria). The project will also focus on repairing the damaged parts of the tunnel, constructing evacuation routes and appropriate drainage. Communication systems and systems for ensuring fire safety will be established along with more efficient rescue in the event of an accident.

The project will improve the safety and technical conditions in the Karavanke tunnel and the safety of railway traffic and passengers. Attaining greater speed will thus be made possible. The upgrade of the tunnel will establish a more adequate rail connection with the wider European area.