But who will build the roads?

From Liberpedia

https://lenews.ch/2022/06/24/switzerlands-underground-freight-project-gets-start-date/ The project, which is funded by private investors, is expected to cost between CHF 30 and 35 billion. Private investors include Migros, Coop, Swisscom, Swiss Post, Manor, Helvetia, Zürcher Kantonalbank, Zurich Airport, Swiss Rail Cargo, La Mobilière, Implenia, Groupe Vaudoise Assurances, Panalpina and Holcim. Foreign companies have also invested.


ru: Кто будет строить туннели?