Lots 2A and 2B: The project covers the rehabilitation of roughly 80 kms of the Frontieră-Curtici-Simeria railway line, which is part of the Pan European Corridor IV. It also includes the construction of 11 stations, 30 bridges and a tunnel, as well as the installation of an ERTMS signalling and telecommunications system.

Lot 3: The project includes the rehabilitation of roughly 40 kms of the Frontieră–Curtici–Simeria railway line and specifically, the line between Gurasada and Simeria of the 614 km Radna-Simeria section. The scope of the contract also includes the construction of 17 bridges, electrification, the installation of the ERTMS signalling and telecommunications system, the renovation of 8 railway stations and some minor works.