S-train
Metro system
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The Copenhagen S-train, the S-train of Copenhagen, Denmark, is a key part of public transport in the city. It is a hybrid urban-suburban rail serving most of the Copenhagen urban area, and is analogous to the S-Bahn systems of Berlin, Vienna and... Wikipedia
Began operation: 1934
Annual ridership: 116 million (2016)
Electrification: 1,650 V DC overhead lines
Number of lines: 7 with 7 services
Number of stations: 87
Operator(s): DSB S-tog
System length: 170 km