Construction on one of the most complex and strategic sections of Rome’s Metro Line C is progressing on schedule. Webuild and Vianini Lavori, leading the project consortium on behalf of Roma Metropolitane and Roma Capitale, have completed the first phase of diaphragm wall construction for the future Venezia Station, one of Europe’s deepest and most technically intricate underground stations.
Using a hydro-milling machine standing 24.5 metres tall and weighing 185 tonnes, the construction team has finished 124 diaphragm panels – part of the station’s perimeter box structure – reaching excavation depths of up to 85 metres. The overall project foresees a total of 352 underground panels across three phases, including 170 diaphragm panels.
Located in Piazza Venezia, the station will span six underground levels, offering direct access to major cultural landmarks including Palazzo Venezia, the Vittoriano, and the Fori Imperiali. Venezia Station will also feature an archaeological museum on the first level, integrating significant artefacts uncovered during excavation into the station design.
The hydro-milling machine has now been relocated to Via dei Fori Imperiali, adjacent to the Vittoriano monument, to begin construction on the next phase of the perimeter box and support archaeological digs and roofing work planned for autumn. This progression will also enable the reopening of the square near Palazzo Venezia to road traffic.
The area also plays host to the “Murales” urban regeneration project, which transforms the construction site into a rotating open-air art exhibition every four months. The current installation, “Ci eleviamo sollevando gli altri” by artist Marinella Senatore, continues the collaboration between Webuild, international artists, and Roma Capitale, supported by relevant heritage authorities.
Metro Line C is the capital’s newest metro line, extending 26 kilometres—17 underground and 9 above ground—with 29 stations in total. It connects the city centre with suburbs from Monte Compatri/Pantano to the future Clodio/Mazzini station.
Alongside the Venezia Station works, testing continues along the 3-kilometre stretch from San Giovanni (already operational) to the under-construction Colosseo/Fori Imperiali station. Operational and safety tests began in February, with the two new archaeological stations—Porta Metronia and Colosseo/Fori Imperiali—scheduled for delivery in the coming months.
Design is underway for additional stations including Chiesa Nuova, San Pietro, Ottaviano, and Clodio/Mazzini.
Webuild has delivered 891 kilometres of metro lines globally, including recent completions in Milan (Line M4), Thessaloniki (Greece’s first driverless metro), and Riyadh (Orange Line, the city’s longest). The group is also involved in major ongoing projects including the Grand Paris Express (Lines 15 West and 16), the Lima Metro (Lines 2 and 4), Sydney Metro – Western Sydney Airport, and Melbourne’s Suburban Rail Loop East. In Italy, work continues on the final stages of Naples Metro Line 1’s Capodichino Station.
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