A very informative article from highways.today. Very beautiful pictures too.

#Herrenknecht’s Suse, Sibylle, Wanda and Käthchen set a fast pace in Swabia.

"[Herrenknecht] machines bored a total of almost 50 kilometers of modern and efficient tunnel infrastructure with precision and speed [for Stuttgart–Ulm rail project]"

Machine / Project Data
S-738/S-746 (#SUSE) – Filder Tunnel
S-1024 (#WANDA), S-1025 (#SIBYLLE) – Albvorland tunnel
S-833 (#KÄTHCHEN) – Bossler tunnel

https://highways.today/2019/12/23/herrenknecht-swabia/