|Transit type||Commuter rail|
|Number of lines||12|
|Number of stations||123|
|Host railroads||Rete Ferroviaria Italiana, Ferrovienord|
|Number of vehicles||E.464, TAF, TSR|
|Headway||up to 6 minutes in the central track|
|System length||359 km (223 mi)|
|Track gauge||1,435 mm (4 ft 8 1⁄2 in) standard gauge|
|Electrification||3 kV DC, overhead|
The Milan S Lines constitute the commuter rail system serving the metropolitan area of Milan, Italy. The system comprises 12 lines serving 125 stations, for a total length of 403 km. There are 415 trains per day with a daily ridership of about 230,000.
The core of the system is the Passante, an underground railway running through the city approximately from the north-west to the south-east. Several lines share this track, making the service in the city centre comparable to a metro line.
Lines in darker background run through the Milan Passante railway. Lines which share same tracks for the majority of the route are generally identified by similar colors. Trains run every 30 minutes in each line, generally from 6 am to 9 pm or midnight depending on the line.
|Saronno – Lodi||55.4||34.4||25||Trenord|
|Mariano Comense – Milano Rogoredo||34.0||21.1||20||Trenord|
|Saronno – Milano Cadorna||23.6||14.7||13||Trenord|
|Camnago-Lentate – Milano Cadorna||21.2||13.2||13||Trenord|
|Varese – Treviglio||92.6||57.5||31||ATI Trenord-ATM|
|Novara – Pioltello ( – Treviglio)||83.5||51.9||25||Trenord|
|Lecco – Milano Porta Garibaldi||57||35||22||Trenord|
|Lecco – Milano Porta Garibaldi||49.9||31.0||13||Trenord|
|Saronno – Albairate Vermezzo||64.0||39.8||21||Trenord|
|Chiasso – Rho||51.4||31.9||18||Trenord|
|Melegnano – Milano Bovisa||22.4||13.9||12||Trenord|
|Milano Bovisa – Pavia||32.0||19.9||13||Trenord|
|Line||Terminals||Length||Stations||Operator||Reason for elimination|
|Milano Rogoredo – Milano Bovisa||24.0||14.9||8||Trenord||Renamed line S13 to avoid confusion with line S10 of the Canton Ticino commuter rail; the line was also extended south to Pavia.|
|Milano Rogoredo – Rho||N/A||N/A||11||Trenord||Only active during Expo 2015; will be reused for the next proposed line.|
An integrated ticket is used inside the Milan urban area for bus, tram and metro lines, as well as the suburban railway. The urban single journey ticket costs €1.50. Other tickets are available, including 24h and 48h tickets and night ticket. Regional train fares apply outside the urban limit.
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 in the Milan area. 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. These cards are also valid on the suburban railway lines.
Several train classes are operated on the network. TAF (Treno Alta Frequentazione) class trains were introduced since the end of the 1990s. Trenord is now introducing new Treno Servizio Regionale (TSR) class trains to replace older rolling stock.
Full service started on 12 December 2004 with the completion of the Passante and the activation of the first 8 lines. However, a shuttle service was running since 1997 in the partially completed track.
Line S4 was extended from Seveso to Camnago on 19 February 2006. The new Romolo station on line S9 was opened 3 months later. Lines S1, S2, S6 and S10 were extended from Porta Vittoria to the new station of Rogoredo on 15 June 2008.
On 1 May 2011 a new company, Trenord, was created from the joining of the two main regional train operators in Lombardy, Trenitalia and LeNord. Trenord is since then the operator of most of suburban lines.
- line S2: extension from Milano Rogoredo to Pieve Emanuele.
- line S8: extension from Milano Porta Garibaldi to Rho.
- line S13: extension from Milano Bovisa to Saronno.
- line S12: extension from Milano Bovisa to Varedo.
At least one new line is expected to enter service in the next years:
- line S14: Magenta - Milano Rogoredo.
Several new stations are also planned for the Milan urban area: Milano Tibaldi, the renewed Milano Porta Romana and others.
Milano Porta Garibaldi railway station, mezzanine level
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