The Liberty Bridge is in Budapest, over the Danube River. This bridge was the 3rd which has made contact between Buda and Pest, at the end of 19th century. On the bridge there are railways, roadways and two sidewalks. In the middle of bridge lay the tram rails, and outside are the roadways.

The Marmaray Project consists of a suburban rail system that establishes a connection between Istanbul Halkalı and Gebze. The project interconnects the city’s European and Asian Sides by a 1387 meter long railway tunnel constructed under the Bosphorus strait. The overall length of the rail system is 76 km. The Bosphorus will be crossed by an immersed tube, assembled from 11 sections with lengths varying between 98,5 and 138 meters. With a depth of 56 meters, these tube sections will comprise the world's deepest undersea immersed tube tunnel, earthquake-proof against magnitudes of 10.

The Wehrhahn-Line an exceptional group achievement that opened in Düsseldorf in February 2016, as a new subway line (3.4 km) across Düsseldorf city center. In Düsseldorf, this is the biggest transport construction scheme since the completion of the Rhine River tunnel in 1993. The project was completed after 15 years of planning and construction, with architects, artists, engineers, and the city administration working side-by-side.