The 3.3-km Trebisacce Tunnel is one of the most significant structures of the Third Mega Lot 

Project will help transform Jonica State Road 106 into a strategic corridor linking Ionian coasts of Calabria, Basilicata and Puglia 

Webuild employs around 1,200 people on project, including direct personnel and subcontractors

MILAN, January 23, 2026 – A new milestone has been reached on the Third Mega Lot of the Jonica State Road (SS106) in Calabria, a strategic infrastructure for Southern Italy being built by Webuild on behalf of ANAS (FS Italiane Group). The second breakthrough was completed on the Trebisacce Tunnel which, at 3.3 kilometres in length, is one of the key structures of the Third Mega Lot and the longest tunnel along the route.

With this latest achievement, overall progress on the mega lot has reached about 80 percent. The project will enhance connectivity along the Ionian coasts of Calabria, Basilicata and Puglia, improving access to numerous coastal municipalities and linking the A14 and A2 motorways, with travel-time reductions across the region. Webuild employs approximately 1,200 people on the project, including direct and third-party workers. It has involved more than 880 companies along the supply chain since the start of construction, 45 percent of which are based in Calabria.  

Among the most complex and significant structures of the mega lot, the double-tube Trebisacce tunnel – one tube per direction – is being excavated using traditional methods. It is essential for overcoming the hills located inland, and eliminating the urban crossing of the old SS106. By spring, the final two of the tunnel’s four breakthroughs will be completed, marking the end of the excavation phase. 

The Third Megalotto is the main project along the Calabrian section of the Jonica State Road 106. The project includes a 38-kilometre dual-carriageway route featuring 14 tunnels (both natural and artificial) for a total of 10 kilometres, and 15 viaducts spanning 7 kilometres. The route runs through the provinces of Cosenza, Sibari and Roseto Capo Spulico, crossing the Alto Jonio Cosentino municipalities of Cassano all’Ionio, Francavilla Marittima, Cerchiara di Calabria, Villapiana, Trebisacce, Albidona, Amendolara and Roseto Capo Spulico. It includes four interchanges (Sibari, Cerchiara-Francavilla, Trebisacce and Roseto), ensuring connections with the existing road network, coastal towns and inland areas.

The mega lot is one of 19 projects Webuild is developing in Southern Italy, including the islands, with a total awarded value of more than €15 billion. These projects employ 8,700 people, both directly and indirectly (as of June 30, 2025), with 7,600 direct suppliers involved since the start of works. In Calabria, in addition to the Third Mega Lot, Webuild has recently been awarded the contract for the Cosenza–Paola/San Lucido Doubling, a key section of the future Salerno–Reggio Calabria high-speed/high-capacity rail line. The works, awarded to a Webuild-led consortium, include construction of the Santomarco Tunnel, more than 15 kilometres long. Commissioned by RFI (FS Italiane Group), the project will improve the capacity and efficiency of the rail connection between the Tyrrhenian coast and the Calabrian hinterland, enhancing accessibility to Cosenza and strengthening the Bari–Taranto–Gioia Tauro freight corridor.