This List of Intercity-Express-Lines lists all Intercity-Express lines in Germany, not including ICE Sprinter.
Legend:
The primary route segments of lines 20, 22, 25 & 28 begin in Hamburg-Altona station. Select trains continue to Kiel or Lübeck:
The primary segment of these lines (except ICE 47) begins at Köln Hauptbahnhof or Dortmund Hauptbahnhof:
All these line continue outside Germany. Lines 75 & 76 originate in Hamburg Central Station and continues into Denmark. Lines 78 & 79 originate in Frankfurt Central Station and continues into Belgium or The Netherlands:
All these lines continue outside Germany. They connect Munich and Frankfurt with France and Frankfurt with Switzerland:
Both lines originate in Vienna and connect the Austrian capital to München or to Nürnberg, Frankfurt and the Rhein-Ruhr area: