S-Bahn and U-Bahn (Underground) Berlin

S-Bahn Berlin covers 15 lines on a 330 kilometre long regional network and with almost 170 train stations. In the center of Berlin, the S-Bahn mostly runs above ground. Train stations can be identified by the green and white S symbol.

With its 10 lines, the U-Bahn (underground, subway) Berlin runs along a network of approximately 146 kilometres and includes 173 stations. Most metro lines operate underground, but some run on above ground tracks. The U-Bahn Berlin is known for its yellow-colored trains.

Tickets
Tickets are available at ticket machines on the platforms or at sales points in the major stations.
Tickets are valid for both S-Bahn and U-Bahn, as well as for buses, trams and vice versa.

Routemap of S-Bahn and U-Bahn lines
http://www.s-bahn-berlin.de/pdf/VBB-Liniennetz.pdf

Journey planner
http://fahrinfo.bvg.de/Fahrinfo/bin/query.bin/en?

S-Bahn Website
http://www.s-bahn-berlin.de

U-Bahn website
http://www.bvg.de/en