Design and construction work of the Rome-Naples High Speed Railway line (300 km/h), from km
11+880 to km 216+616 (total length: km 204.7) of the Milan-Naples line and similar infrastructure and interconnections of Frosinone, Cassino and Caserta.
The work included:
- 77 km of embankments, with an average height of 5.00 m and a platform width of 13.60 m;
- 53 km of trenches, with an average height of 10.00 m and a platform width of 13.60 m;
- 26 km of tunnels, of which a transversal one of 130.00/150.00 m2;
- 10 km of artificial tunnels; – 38 km of viaducts;
- 59 technical buildings;
- track equipment (for a total length of 409.4 km of single track), electrification and signalling with the ERMTS system (level 2) of the entire section and related interconnections.