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Webuild: doors open to passengers on milan’s new m4 metro line

With this opening, the public will be able to travel in a mere nine minutes the 5.4 kilometres between the Linate city airport and the Dateo station. This first section of an extremely complex engineering project is transforming the city and strengthening Milan's role in Europe.

The inauguration of stations Linate Airport, Repetti, Forlanini Station, Argonne, Susa and Dateo was held at the city airport with the participation of Italian Minister of Infrastructure and Transport Matteo Salvini, Milan Mayor Giuseppe Sala, Lombardy President Attilio Fontana, Salini, as well as scores of workers who have been involved in the project.

The M4, which is to be completed in 2024, will cross the city for a total of 15 kilometres, from the Linate city airport in the east, through the historic centre, and then to the west to the San Cristoforo train station. It will have 21 stations and take only 30 minutes for its trains to do the entire route. These are the numbers that will make the city one of the most accessible in Europe via an airport. By next spring when this first section of the line will be open all the way to San Babila in the centre, it will take a little more than 12 minutes from the airport.

The project was commissioned by the City of Milan and built by the M4 concessionaire company, which is in charge of the design, construction and management of the line. The company's private investors are led by Webuild. The line is completely underground and fully automated with driverless trains – an innovative technology that allows for a safer and more efficient service. The M4 will cross the historic centre of Milan and contribute to a significant reduction in street traffic. Once it will be fully open, it will be able to carry 24, 000 people per hour in either direction. On an annual basis, it will have up to 86 million potential passengers, with trains passing every 90 seconds during peak times. In terms of mobility, the M4 will have an impact on the city, giving it one of the most extensive metro networks in Europe at 188 kilometres.

Webuild's technical know-how was put to work during the excavation of the line with tunnel-boring machines (TBMs), the safeguarding of the city's artistic and historic heritage with the temporary transfer of monuments such as the Column of Verziere, the Statue of the Saviour at Largo Augusto and a medieval wall on Via Francesco Sforza. The monuments will be put back to their original place after they have been cleaned and restored under the supervision of the superintendency.



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