The Milan Metro (Italian: Metropolitana di Milano) is the rapid transit system serving Milan, Italy, operated by Azienda Trasporti Milanesi. The network consists of 4 lines, identified by different numbers and colours, with a total network length of 101 kilometres (63 mi), and a total of 113 stations, mostly underground. It has a daily ridership of 1.15 million.
The first line, the red line, opened in 1964, the green line opened 5 years later in 1969, the yellow line in 1990, and the lilac line in 2013. A fifth line (blue line) is currently under construction. Milan Metro is currently the largest system in Italy for length, number of stations and ridership.
The first projects for a subway line in Milan were drawn up in 1914 and 1925, following the examples of underground transport networks in other European cities like London and Paris. Planning proceeded in 1938 for the construction of a system of 7 lines, but this too halted after the start of World War II and due to lack of funds.
On 3 July 1952 the city administration voted for a project of a metro system and on 6 October 1955 a new company, Metropolitana Milanese, was created to manage the construction of the new infrastructure. The project was funded with ₤ 500 million from the municipality and the rest from a loan. The construction site of the first line was opened in viale Monte Rosa on 4 May 1957. Stations on the new line were designed by Franco Albini and Franca Helg architecture studio, while Bob Noorda designed the signage. For this project both Albini-Helg and Noorda won the Compasso D'Oro prize.
The first section from Lotto to Sesto Marelli (21 stations) was opened on 1 November 1964, after 7 years of construction works. The track was 12.5 km (7.8 mi) long, and the mean distance between the stations was 590 m (1,940 ft). In the same year, in April, works on the second line started. Passengers on the network grew constantly through the first years of service, passing from 37,092,315 in 1965 to 61,937,192 in 1969.
The green line from Caiazzo to Cascina Gobba (7 stations) opened five years later. During the 1960s and 1970s the network of 2 lines was completed, and both lines had 2 different spurs. In 1978, the lines were already 17.6 km (10.9 mi) and 23 km (14 mi) long respectively, with 28 and 22 stations.
The first section of the third line (yellow), with 5 stations, was opened on 3 May 1990 after almost 9 years of construction works. The line opened just before the World Cup. The other 9 stations on Line 3 opened to the southeast in 1991, and northwest to Maciachini Station in 2004.
In March 2005 the Line 2 Abbiategrasso station (south branch from Famagosta) and the Line 1 Rho Fiera station opened. The intermediate station of Pero opened on December 2005. A north extension of Line 3 to Comasina (4 stations) and a new south branch on the Line 2 to Assago (2 stations) opened in early 2011.
The first stage of the Line 5, covering the 4.1 kilometres (2.5 mi) from Bignami to Zara opened on 10 February 2013. The 1.9-kilometre (1.2 mi) second stage, from Zara to Garibaldi FS, opened on 1 March 2014. The 7-kilometre (4.3 mi) third stage, from Garibaldi FS to San Siro Stadio opened on 29 April 2015, with some intermediate stations not in service at that time; as of November 2015, all the stations have been opened.
The metro replaced several interurban tramroutes of the original Società Trazione Elettrica Lombarda (STEL) tramlines. In particular the Line 2 to Gessate. The only remaining suburban tram line to Limbiate is shortened to Comasina, the endpoint of Line 3.
|date||section or station||line|
|1 November 1964||Lotto - Sesto Marelli|
|2 April 1966||Pagano - Gambara|
|27 September 1969||Caiazzo - Cascina Gobba|
|27 April 1970||Caiazzo - Centrale|
|12 July 1971||Centrale - Porta Garibaldi|
|4 December 1972||Cascina Gobba - Gorgonzola|
|18 April 1975||Gambara - Inganni|
|8 November 1975||Lotto - QT8|
|3 March 1978||Porta Garibaldi - Cadorna|
|12 April 1980||QT8 - San Leonardo|
|7 June 1981||Cascina Gobba - Cologno Nord|
|30 October 1983||Cadorna - Porta Genova|
|13 April 1985||Gorgonzola - Gessate
Porta Genova - Romolo
|28 September 1986||San Leonardo - Molino Dorino
Sesto Marelli - Sesto 1° Maggio FS
|3 May 1990||Centrale - Duomo|
|16 December 1990||Duomo - Porta Romana|
|12 May 1991||Centrale - Sondrio
Porta Romana - San Donato
|21 March 1992||Inganni - Bisceglie|
|1 November 1994||Romolo - Famagosta|
|16 December 1995||Sondrio - Zara|
|8 December 2003||Zara - Maciachini|
|17 March 2005||Famagosta - Abbiategrasso|
|19 December 2005||Molino Dorino - Rho Fiera|
|20 February 2011||Famagosta - Milanofiori Forum|
|26 March 2011||Maciachini - Comasina|
|10 February 2013||Zara - Bignami|
|1 March 2014||Zara - Porta Garibaldi|
|29 April 2015||Porta Garibaldi - San Siro Stadio|
|6 June 2015||Portello|
|20 June 2015||Cenisio|
|26 September 2015||Gerusalemme|
|11 October 2015||Monumentale|
|14 November 2015||Tre Torri|
|Length||Stations||Avg. station distance|
|Rho Fiera / Bisceglie||Sesto 1º Maggio||1964||2005||26.9||16.7||38||0.727||0.452|
|Assago Milanofiori Forum / Abbiategrasso||Cologno Nord / Gessate||1969||2011||39.4||24.5||35||1.159||0.720|
|San Siro Stadio||Bignami||2013||2015||12.9||8.0||19||0.763||0.474|
All the lines run underground except for the northern part of Line 2 and the Line 2 Assago branch.
There are 7 interchange stations, each with 2 lines: Centrale (Lines 2 and 3), also Milan's main train station; Duomo (Lines 1 and 3), considered the center of the city; Loreto (Lines 1 and 2); Cadorna (Lines 1 and 2), city terminus for northbound suburban and regional railways; Zara (Lines 3 and 5); Garibaldi (Lines 2 and 5), also a major railway station; Lotto (Lines 1 and 5).
Lines run in the Milan municipality for the 80% of the total length (93 stations). However, 12 other municipalities are served: Assago, Bussero, Cassina de' Pecchi, Cernusco sul Naviglio, Cologno Monzese, Gessate, Gorgonzola, Pero, Rho, San Donato Milanese, Sesto San Giovanni, Vimodrone. The network covers about 20% of Milan's total area.
The metro network is also linked with the suburban rail service, with 12 interchange stations: Affori FN, Cadorna FN, Domodossola, Garibaldi FS, Lambrate FS, Lodi T.I.B.B. (with the nearby Porta Romana station), Porta Venezia, Repubblica, Rho Fiera, Rogoredo FS, Romolo, Sesto 1º Maggio, 
The track gauge for all lines is the 1,435 mm (4 ft 8 1⁄2 in) standard gauge. Most of the network has no platform screen doors, except for the newest Line 5, where screen doors are present in all stations and some stations on Line 1.
The first 3 lines are heavy rapid-transit lines, with 6-cars trains, about 105 m in length. Line 5 is a light metro line, with 4-cars trains, about 50 m long. Line 5 is equipped with driverless trains.
Lines 2 and 3 use overhead lines to supply the electric current to the train and are electrified at 1500 V DC. Line 1, electrified at 750 V DC, uses a fourth rail system, although the same line also supports overhead lines in some stretches and depots; this allows Line 2 and 3 trains to use Line 1 tracks to reach a depot placed on the line. Line 5 trains are supplied by a third rail system at 750 V DC, and the same system will be used on the future line 4.
Most of stations are provided with LED screens showing the destination and waiting time of coming trains. In every station, a recorded voice announces the direction of every approaching train and, at the platform, the name of the station. While older trains have no on-train information, the new Meneghino and Leonardo trains and the driverless trains on Line 5 are equipped with displays and recorded announcements in Italian and in English.
An urban single journey ticket costs €1.50, and is valid for buses, trams and suburban and metro lines inside the Milan municipality (urban fare limit). Other tickets are available, including 24h, 48h and night ticket. The cost of interurban tickets (for journeys outside the urban fare limits) depends on the journey and ranges from €1.90 to €4.10.
Between 2004 and 2007 ATM introduced Itinero smartcard, a proximity card which can be charged with season tickets, replacing paper for this type of tickets. At the beginning of 2010, a new smartcard, RicaricaMi, was introduced. The new card can be charged up with credit and can be used for travel in place of magnetic paper tickets, on the model of London's Oyster card. Different fare plans exist.
Milan metro lines can be accessed also with the regional integrated ticket "Io viaggio ovunque in Lombardia", as 1 to 7 days tickets or longer subscriptions using the smartcard "Io Viaggio".
The service starts at about 5:40 am and ends at about 0:30. During Sundays and holidays service usually starts later and ends later, depending on the occasion.
A night service is operating since 2015 with buses. The bus service follows the same route and stopping at the same stations of the metro. The entire lines 1 and 3 and the urban section of line 2 (Abbiategrasso-Cascina Gobba) are covered by the service.
The metro system is currently expanding. An extension of Line 1 from Sesto 1º Maggio to Monza Bettola, towards the city of Monza, is currently under construction. The track will be 2 kilometres (1.2 mi) long with an intermediate station at Sesto Restellone. The completion has been delayed several times, and is now scheduled for 2018. There is a proposal for a further 3 km extension of Line 1 to the west.
An extension of Line 2 from Cologno Nord to Vimercate is planned. The section will be 10.8 kilometres (6.7 mi) long with 6 stations (Brugherio, Carugate, Agrate Colleoni, Concorezzo, Vimercate Torri Bianche, Vimercate). The track will be mostly underground (83%).
Line 3 is planned to be extended to the south-east from San Donato to Paullo: 14.8 kilometres (9.2 mi) with intermediate stations in the city of San Donato, Peschiera Borromeo, Mediglia, Caleppio Cerca, Paullo and Paullo East, the first 3 being underground and the other on the surface. The project is currently on hold.
Since Milan won the bid for the Universal Exposition in 2015, the city received special funds for the construction of 2 new lines, Line 4 (blue) and Line 5 (lilac). Line 5 opened between 2013 and 2015, while Line 4 is expected to open in 2022.
|Lorenteggio||Linate Airport||2022||15.2 km||21|
The new Line 4 will run from the western suburb of Lorenteggio to the eastern side of the city to Linate Airport. The line has been approved by the Italian Government in March 2006, and funded in November 2009. Preliminary prospections begun in mid-2010, but the works had been put on hold again in April 2011 until autumn. Construction eventually started in late 2011. The construction of the whole line was approved by the city of Milan in November 2014.
Both Line 4 and 5 trains are completely automatic and driverless, employing AnsaldoBreda Driverless Metro trains fed through a third rail system, thus marking the third different feeding on Milan Metro (after the fourth rail of M1, and the catenary on M2 and M3).
Line 4 will feature interchange stations with other M lines at Sant'Ambrogio (M2), Sforza/Policlinico (M3 Crocetta), San Babila (M1) and with suburban lines at San Cristoforo, Dateo and Forlanini. No interchange with M5 is planned.
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