City-suburban railway

City-Umland-Bahn called

• as Stadt-Umland-Bahn München (SUB), a planned local transport system in the Munich transport and tariff association
• as the city-surrounding railway Nuremberg – Erlangen – Herzogenaurach (StUB), a planned local transport system between Nuremberg, Erlangen and Herzogenaurach and the surrounding area
• a planned local transport system in Regensburg and the surrounding area as the Regensburg suburban railway
• generally, the tram-train concept

This is a disambiguation page for differentiating between several terms identified with the same word.