Storage sewer at Berlin's Mauerpark will prevent sewer overflow into the Spree and Pranke rivers in the future.
Greatly varying geology required different driving methods during the construction of the Uetliberg Tunnel in Switzerland. The 4.4 km long road tunnel connects the Birmensdorf bypass with the existing national road Zurich-Chur.
The Zurich main station - Altstetten - Oerlikon cross-city line forms the central part of the West- East-axis of the Swiss railway lines. The Weinberg tunnel is the centrepiece of the cross-city line and connects the new through station “Löwenstraße” in Zurich with Oerlikon station.