Double-tube road tunnel under the Gent-Terneuzen Canal provides a new connection between the important ports of the Netherlands in the north and those of Flanders in the south.

A new pipeline tunnel in Essen connects the Hinsel district with the intake system to the Essen-Süd wastewater treatment plant.

The 3.1 km long Oenzberg tunnel is part of the new Mattstetten-Rothrist railway line in Switzerland. This railway line improves the connection between Bern and Olten.