Its route follows the Sava river valley making it the primary railway line of Slavonia.

It is an integral part of railway Pan-European Corridor X running from Salzburg and Ljubljana towards Skopje and Thessaloniki.

It is also the largest infrastructure project financed by the pre-accession aid model, both in financial and physical terms.

The subject of the project was the section on the international corridor in the east of Croatia, from Vinkovci to Tovarnik, that is on a route 33.48 km long.

As part of the reconstruction of the section Vinkovci - Tovarnik - state border with Serbia, works were carried out in stations and stops, on tracks and railway crossings, and a new system of traffic signaling and traffic management was installed.