Boßler Tunnel
The 118th longest tunnel in the world
The Boßler Tunnel is a 8,806 m-long (28, 891 ft) railway tunnel on the Wendlingen–Ulm high-speed railway. It is built as two parallel single-track tunnels between the 45.367 and 54.175 km (28.190 and 33.663 mi) mark. The tunnel runs between Aichelberg and Mühlhausen im Täle under the Roter Wasen and the Boßler mountain. It is one of a series of tunnels underneath the Swabian Jura range. It is the longest tunnel on the line and the fifth longest tunnel in Germany (after the Landrücken Tunnel, the Münden Tunnel, the Filder Tunnel and the Katzenberg Tunnel).
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).