The railway has already laid 60 kilometers of the 120 kilometers of track, half of it for the double-track high-speed line between Ulm and Wendlingen. Leading engineers explain in the video how a so-called slab track "is built. The electrical equipment - which is also necessary for the completion of a new railway line - including the rescue systems in the Steinbühl tunnel and the Bossler tunnel - is explained by experts.