It is part of the Paris-Bratislava corridor as defined by the European Union.

The design speed of the approximately 25.2 km line is mostly 250 km/h (155 mph).

As of 2024, it is planned to enter in commercial service in December 2026 (two years delay compared to the expectation from 2017).

[4][5][6] The line runs from Stuttgart station to the south through the 9,468 metre long Filder Tunnel and surface southwest of Stuttgart-Plieningen near Stuttgart Airport and the A8 autobahn.

It then runs to the east parallel with the A8 on its north side for about 10 kilometres to the Denkendorf service area.