Germany / New Wendlingen–Ulm Route

Symbolic Starting Shot for the mechanized Drive of the Boßler Tunnel

Symbolic starting shot for the mechanized driving operations at the Aichelberg portal (from the left): Manfred Leger, chairman of the executive for the DB Project Stuttgart–Ulm; Wolfgang Dietrich, chairman of the board and spokesman for the Stuttgart–Ulm rail project; Gabriele Breidenstein, who christened the tunnel; Matthias Breidenstein, DB project manager Albaufstieg; Alfred Sebl-Litzlbauer, CEO of the Porr Bau GmbH Quelle/credit: Arnim Kilgus
Symbolic starting shot for the mechanized driving operations at the Aichelberg portal (from the left): Manfred Leger, chairman of the executive for the DB Project Stuttgart–Ulm; Wolfgang Dietrich, chairman of the board and spokesman for the Stuttgart–Ulm rail project; Gabriele Breidenstein, who christened the tunnel; Matthias Breidenstein, DB project manager Albaufstieg; Alfred Sebl-Litzlbauer, CEO of the Porr Bau GmbH
Quelle/credit: Arnim Kilgus
The “Käthchen” TBM will excavate a roughly 2.8 km long section in the first bore as from January 2015 Quelle/credit: Arnim Kilgus
The “Käthchen” TBM will excavate a roughly 2.8 km long section in the first bore as from January 2015
Quelle/credit: Arnim Kilgus
Open Day on the construction site at the Aichelberg portal with regular guided tours of the tunnel boring machine Quelle/credit (2): Arnim Kilgus
Open Day on the construction site at the Aichelberg portal with regular guided tours of the tunnel boring machine
Quelle/credit (2): Arnim Kilgus
Some 8000 people took advantage of the chance to obtain an impression during the Open Day at the tunnel site Quelle/credit: Arnim Kilgus
Some 8000 people took advantage of the chance to obtain an impression during the Open Day at the tunnel site
Quelle/credit: Arnim Kilgus
Height profile of the plan approval procedure 2.2. Albaufstieg, including the Boßler Tunnel and the Steinbühl Tunnel Quelle/credit: Bahnprojekt Stuttgart–Ulm
Height profile of the plan approval procedure 2.2. Albaufstieg, including the Boßler Tunnel and the Steinbühl Tunnel
Quelle/credit: Bahnprojekt Stuttgart–Ulm

The christening of the “Käthchen” tunnel boring machine (TBM) on November 8, 2014, marked the symbolic starting shot for driving operations on the Boßler Tunnel at the Aichelberg portal. From there the 8806 m long Boßler Tunnel, part of the new Wendlingen-Ulm line in the direction of Filstal/Gruibingen, will be excavated using a 110 m long and roughly 2500 t heavy TBM produced by Herrenknecht.

Parallel to the symbolic start of construction, a special Open Day was held for the general public at the tunnel portal on-site. Interested parties had the opportunity to visit the portal construction...

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