バーデン大公国邦有鉄道
These treaties permitted, among other projects, the construction of the Tübingen–Sigmaringen railway, the Ulm–Sigmaringen railway and the Radolfzell–Mengen/Sigmaringen and Schwackereute–Altshausen lines. The lines would connect the Grand Duchy of Baden State Railway and the Royal Württemberg State Railways at Sigmaringen, Mengen and Pfullendorf.