 Construction of the extension cost about , with €5 million being financed through a charge on the companies which will benefit from the extension.The remaining €13 million was financed by the (Cologne Transit Authority).The extension begins near the former Ossendorf terminus (which has been closed), crosses the tracks of the HGK, follows the southern edge of the Hugo-Eckener-Strasse with the 1st station (Alter Flughafen Butzweilerhof) being sited at the corner of Hugo-Eckener-Strasse and Köhlstrasse.