Tunnel Röhrenberg in Allensbach on Lake Constance

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

Kund

Regierungspräsidium Freiburg

Projektvolym

72.3 million EUR net

Byggtid

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