The 9,500 m long Filder Tunnel with two single-track bores built as an S-Bahn tunnel to Stuttgart Airport within the scope of the Stuttgart 21 Project can also be used for main line trains. The application by the Deutsche Bahn (DB) to obtain
a special permit based on
the Railway Construction and Operation Regulations (EBO) has now been approved by the Federal Ministry of Transport, Building and Urban Develop-ment – initially until 2035.
So far this route including the Echterdingen and Flughafen tunnels was only available for
S-Bahn traffic. As a result the plan approval proceedings in and...