By rail: Tübingen Hauptbahnhof is on the regional train line Neckar-Alb Railway-Bahn ("Neckar-Alb-Bahn") from Stuttgart Hauptbahnhof via Esslingen and Reutlingen to Tübingen. The average time of travel to Stuttgart is 1:01 hrs., with some trains taking only 45 mins. Other regional lines are the "Hohenzollerische Landesbahn", connecting the city with Hechingen and Sigmaringen (so-called Zollernalb Railway), "Zollernalbbahn" and connections to Herrenberg (Ammer Valley Railway, "Ammertalbahn") and Horb (Upper Neckar Railway, "Obere Neckarbahn"). Since 2009, there is also a daily direct Intercity link to Mannheim, Cologne and Düsseldorf as well as to Berlin.