Construction will commence in April 2017 on a new road tunnel link in Karlsruhe. Austrian contractor STRABAG has an 84% stake in the consortium, which also includes Schleith, building the link. Civil design is being handled by Ed Züblin meanwhile. The new Kriegsstraße vehicle tunnel in Karlsruhe will carry two lanes of road traffic underground, while providing a surface connection for trams, pedestrians and cyclists. The tunnel construction forms part of the wider Kombilösung public transport infrastructure