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Tender and detail design, consulting
- Length: 2240 m, two-lane road tunnel
- Excavation area: 124,5 m²
- Total costs: € 65 million
- Construction time: 2000–2008
The major part of excavation is in the so-called “Weissachschichten”. These sediments belong to the fresh water molasses, comprising marls with sandstone layers of different thickness.
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