The double-lane road tunnel is the centrepiece of the Völkermarkt bypass. The town centre is relieved from heavy traffic which in turn means a better quality of life for the population.

A double-lane motorway tunnel with a length of approx. 3 km forms part of the new motorway section of ‚Route du Nord' in the biggest infrastructure project in Luxembourg. The two tubes were carried out with an incline of nearly 5%.

New U-railway line in the center of Dortmund will replace the existing overground running tram.