Grand Duchy of Baden State Railway
On 6 May 1844, the Grand Duchy of Baden State Railway () opened the station along with the Rhine Valley Railway from Rastatt. At that time the station was called "Oos". Initially it had a small wooden station building. For a year passengers used horse buses to be transported to Baden-Baden until finally on 27 July 1845 a branch line was opened to Baden-Baden with a terminal station in the city centre.