The Hohenzollern Bridge is a bridge crossing the river Rhine in the German city of Cologne. It crosses the Rhine at kilometre 688.5. Originally, the bridge was both a railway and road bridge. However, after its destruction in 1945 and subsequent reconstruction, the bridge has been only accessible to rail and pedestrian traffic.

Köln Hauptbahnhof is the central railway station of Cologne, Germany. The station is an important local, national and international transport hub, with many ICE, Eurostar and Intercity trains calling there, as well as regional Regional-Express, RegionalBahn and local S-Bahn trains. EuroNight and Nightjet night services also call at the station. It has frequent connections to Frankfurt by way of the Cologne–Frankfurt high-speed rail line, which starts in southern Cologne. On an average day, about 280,000 travellers frequent the station, making it the fifth busiest station in Germany.