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Tunnel Röhrenberg in Allensbach on Lake Constance

  • Structural engineering
  • Road and traffic route construction
  • Civil engineering
  • Eiffage Infra-Süd

Client

Regierungspräsidium Freiburg

Project volume

72.3 million EUR net

Construction time

June 2024 - May 2028

  • 970 m long tunnel structure with 104 tunnel blocks, 30 m long portal structures on both sides with two separate tubes with two lanes each
  • Underground operations building
  • Mühlbach crossing

 

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