Germany Railway Network, primarily operated by Deutsche Bahn (DB) in Train Sim World, is a vast and interconnected system of rail lines that connects major cities and regional areas, including high-speed lines like the InterCity Express (ICE) in Germany in Europe. 

Detailed breakdown:

• Extensive Network: Germany boasts a large and well-developed railway system, with a total length of 33,399 km (20,753 mi) as of 2022, of which 1,658 km (1,030 mi) are high-speed lines. 
• High-Speed Trains: The ICE (InterCity Express) trains are a hallmark of the German railway network, connecting major cities at high speeds. 
• Regional Trains: Regional trains, like RB (RegionalBahn), connect smaller towns and rural areas to major cities. 
• S-Bahn: Almost all major metro areas in Germany have suburban rail systems called S-Bahnen (Schnellbahnen) that connect larger urban areas to their suburbs and often other regional towns. 
• Historical Context: The first rail line in Germany opened in 1835 between Nuremberg and Fürth. The Deutsche Reichsbahn, the German national railway system, was created after World War I from the regional railways of the individual states of the German Empire. 
• Deutsche Bahn DB: Deutsche Bahn DB, is the national railway operator, offering both high-speed, long-distance services and regional routes. 
• Intercity IC and EuroCity EC Trains: Trains connecting German cities are called Intercity IC trains, while those connecting German cities with neighboring countries are called EuroCity EC trains. 
• Digitale Schiene Deutschland DSD: Deutsche Bahn is developing a digital twin of the rail network. 

German Railroad Companies