Milan Metro Line 4

Line 4 is a new underground rapid transit line under construction[1] in Milan, Italy, part of the Milan Metro. The line was planned to be completed in 2015, as part of the works for the Milan Expo. However, delays in planning, financing[2] and construction works forced to postpone the opening, and the line is now expected to open between 2021 and 2023.[3]

M4
Overview
Statusunder construction
LocaleMilan, Italy
Stations21
WebsiteOfficial website
Service
TypeRapid transit
SystemMilan Metro
Operator(s)Azienda Trasporti Milanesi
Rolling stock37 x Hitachi Rail Italy EMUs
History
OpenedJanuary 2021 (first phase)
Technical
Line length15 km (when complete)
Track gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
Route map
Milan Metro · Line 4
ooooooooooooooo
    Linate Aeroporto
   Repetti
   Forlanini FS
   Argonne
   Susa
    Dateo
   Tricolore
    San Babila
    Sforza-Policlinico
   Santa Sofia
   Vetra
   De Amicis
    Sant'Ambrogio
   Coni Zugna
   California
   Bolivar
   Tolstoj
   Frattini
   Gelsomini
   Segneri
    San Cristoforo

The line will be 15 km (9.3 mi) long with 21 stations.[4] The line color is blue. The expected annual ridership is 87 million. The total estimated cost is about €1.7 billion. €786 million will be granted by the Italian government, €512 million will come by private investors and €400 million from the municipal government of Milan.[5] The line will feature completely automatic driverless trains[6] and is designed for a capacity of 24–28,000 passengers per hour in each direction.[7]

The consortium ATM-Webuild is responsible for the construction works.[5][8]

Route
Tunnel boring machines used in the project, 2014
Forlanini FS station under construction in 2016

The line is planned to connect the south-western neighborhood of Lorenteggio with the Linate Airport on the east, passing through the city center.

Station NameTransferGrade
San Cristoforo Underground
Segneri Underground
Gelsomini Underground
Frattini Underground
Tolstoj Underground
Bolivar Underground
California Underground
Coni Zugna Underground
Sant'Ambrogio Underground
De Amicis Underground
Vetra Underground
Santa Sofia Underground
Sforza-Policlinico Underground
San Babila Underground
Tricolore Underground
Dateo Underground
Susa Underground
Argonne Underground
Forlanini FS Underground
Repetti Underground
Linate Aeroporto Underground

Rolling stock

The line will be operated by 37 four-car EMUs manufactured by Hitachi Rail Italy at Reggio Calabria. Because of production problem caused by the COVID-19 pandemic, some were sent to Hitachi Newton Aycliffe in England for final fitting out.[9]

See also

References
  1. "Metrò 4, aprono i cantieri". Corriere della Sera Milano. Retrieved 26 September 2011.
  2. "Tabacci: a rischio il secondo lotto della M4". Corriere della Sera Milano. Retrieved 26 September 2011.
  3. ANASTASIO, GIAMBATTISTA (2 June 2018). "M4, inaugurazione a luglio 2023. Ritardo di 15 mesi rispetto alle previsioni - Il Giorno". Il Giorno (in Italian). Retrieved 29 October 2018.
  4. "Linea 4". www.metropolitanamilanese.it. Metropolitana Milanese. Retrieved 22 July 2015.
  5. "M4, lavori assegnati a Impregilo e Atm". Corriere della Sera Milano. Retrieved 26 September 2011.
  6. "Metropolitana M4 approvata, realizzazione Linate – Lorenteggio al via". Cronaca Milano. Retrieved 26 September 2011.
  7. "Milano M4". Metropolitana Milanese. Retrieved 28 December 2011.
  8. "Tar: "Metrò 4, gare regolari". Via ai cantieri". Corriere della Sera. 21 January 2012. Retrieved 22 January 2012.
  9. Milan Metro cars in Newton Aycliffe The Railway Magazine issue 1436 November 2020 page 9
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