The project concerns the reconstruction of the existing and construction of a second track on the Croatian Lescovan-Karlovac stakeholders with a length of 44.02 km. It includes: a reconstruction of 3 stations and 4 existing positions, transforming 3 stations into positions• installing the new electronic SS, ETCS level 1 and a remote control system with remote control• electrifying 25 kV/50 Hz• reconstruction of substations• construction of 3 underpasses• construction of 4 underpasses, and the construction of swater roads with the aim of ending the ŽCP• reconstruction of the ŽCP establishments at the level• construction of walls protection walls• construction of a closed drainage system• reconstruction of the establishments on the route.