Regionalbahn
Regionalbahn (RB) is a designation used for local passenger rail services in German-speaking countries, most prominently in Germany. It refers to regional trains that operate on shorter, primarily regional routes and stop at most or all stations along their line. RB services provide frequent, locally oriented mobility and are designed to connect towns, suburbs, and rural areas with nearby cities.
In Germany, RB trains are typically operated by Deutsche Bahn or by private rail operators under contract
RB services play a key role in integrating regional mobility with other modes of public transport. They
Beyond Germany, the term regional or Regio-Bahn is used in some neighboring countries with variations in scope