A bit east of Stuttgart and a bit north of Ulm....
Boßler Tunnel: TBM commenced Building the second Tunnel Tube - tunnel
An Overview of the Tunnels on the new Wendlingen-Ulm Railway Line - tunnel
Neubaustrecke Wendlingen–Ulm – Wikipedia
What is the distance from Ulm Germany to Berlin Germany? Google Maps Mileage, Driving Directions & Flying Distance - Fuel Cost, Midpoint Route and Journey Times Mi Km
Streckenkarte Neubaustrecke Wendlingen–Ulm (NBS) - english
Neubaustrecke Wendlingen-Ulm: Ministerium für Verkehr Baden-Württemberg
A bit east of Stuttgart and a bit north of Ulm....