The Rhine-Neckar S-Bahn forms the backbone of the urban rail transport network of the Rhine Neckar Area, including the cities of Mannheim, Heidelberg and Ludwigshafen.
The S-Bahn operates over 320 km of route in the states of Rhineland-Palatinate and Baden-Württemberg, and in small sections in Saarland and Hesse. The network's trains operate about 6 million kilometres per year. 105 stations are served by 40 Class 425.2 Electric multiple units.
Read more about Rhine-Neckar S-Bahn: Network, History, Planned Expansion