S2 (Munich)


Line S2 is a line on the Munich S-Bahn network. It is operated by DB Regio Bayern. It runs from Petershausen station to Erding station via Dachau, Laim, central Munich, Munich East and Markt Schwaben.
The line is operated at 20-minute intervals between Dachau and Markt Schwaben. One train an hour continues from Dachau to Altomünster and the other two continue from Dachau to Petershausen so that the gap between trains alternates between 20 and 40 minutes between Dachau to Petershausen. Similarly only two out of three continue from Markt Schwaben to Erding, creating a similar varying gap between trains. It is operated using class 423 four-car electrical multiple units, usually as two coupled sets. In the evenings and on Sundays they generally run as single sets. Extra peak hour services are operated between Dachau and Altomünster, using class 420 four-car electrical multiple units, creating a 30-minute frequency on the branch.
The line runs over lines built at various times:
On 28 May 1972 S-Bahn services commenced on S-Bahn line, which then ran between Petershausen and Deisenhofen. The section between Munich East and Erding was then operated as part of line, which ran between Tutzing and Erding. The current route of the was established in 2009. Services commenced between Altomünster to Dachau on 14 December 2014.