The Südwestdeutsche Verkehrs-Aktiengesellschaft (SWEG), in English language Southwest German Transport Company, from its former name, Südwestdeutsche Eisenbahn-Gesellschaft (SEG), is a transport company in southwest Germany that operates railway lines and bus services. It is 100% owned by the federal state of Baden-Württemberg. On 24 July 2017, a merger between SWEG and the Hohenzollerische Landesbahn (HzL) was approved by the Sigmaringen and Zollernalbkreis district authorities which each hold 14% stakes in HzL. The merger has already been approved by the state of Baden-Württemberg, which besides its ownership of SWEG also owns 72% of HzL. The merger is intended to take effect from the beginning of 2018.