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Line S1 (Milan suburban railway service)

Saronno–Milano Passante–Lodi
S1
An S1 train at Lodi.
An S1 train at Lodi.
Overview
Type Commuter rail
System Milan suburban railway service
Status Operational
Locale Milan, Italy
Termini Saronno
Lodi
Stations 25
Website Trenord (Italian)
Operation
Opened 2004
Operator(s) Trenord
Rolling stock Treno Servizio Regionale
Technical
Line length 55 km (34 mi)
Track gauge 1,435 mm (4 ft 8 12 in)
Electrification 3,000 V DC
Route number S1
Route map
Map of line S1.

The S1 is a commuter rail route forming part of the Milan suburban railway service (Italian: Servizio ferroviario suburbano di Milano), which converges on the city of Milan, Italy.

The route operates over the infrastructure of the Milan–Saronno, Milan Passante and Milan–Bologna railways. Like all but one of the other Milan suburban railway service routes, it is operated by Trenord.

Line S1, a cross-city route, heads in a southeasterly direction from Saronno to Milano Lancetti. From there, it runs via the Milan Passante railway through the municipality of Milan to Milano Rogoredo, and finally to Lodi.

The S1 was activated on 12 December 2004, and operated initially between Saronno and Milano Porta Vittoria.

With the change of timetable on 15 June 2008, the line was extended from Milano Porta Vittoria to Milano Rogoredo, where there is interchange with regional trains and long-distance services to and from Genoa, Bologna and Mantua.

To coincide with another timetable change on 13 December 2009, the line was further extended, from Rogoredo to Lodi, during the day between rush hours. From 13 June 2010, all other Monday to Friday services were extended to Lodi.

The stations on the S1 are as follows (stations with blue background are in the municipality of Milan):

As of 2012, S1 trains ran half-hourly between 06:00 and 21:00 Monday to Friday.


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