Dortmund-Lütgendortmund station is a single-track, underground terminal station in the city of Dortmund in the German state of North Rhine-Westphalia. The platform is accessible by stairs, escalator or lift. It was opened in 1993 at the end of an extension of Line S 4 trains of the Rhine-Ruhr S-Bahn. Trains reverse here in order to return to Unna station. It is classified by Deutsche Bahn as a category 5 station.