S41 and S42 operate a circular service on the ''
Ringbahn'' and are part of the
Berlin S-Bahn
The Berlin S-Bahn () is a rapid transit railway system in and around Berlin, the capital city of Germany. It has been in operation under this name since December 1930, having been previously called the special tariff area ''Berliner Stadt-, Ring ...
. The S41 operates clockwise around the circle, the S42 operates counter-clockwise.
See also
*
Line S4
References
{{DEFAULTSORT:S4x (Berlin)
Berlin S-Bahn lines
de:Berliner Ringbahn#S-Bahn