Very similar to the situation with the Gotthard Base Tunnel. Switzerland managed to build the longest railway tunnel in the world within 17 years, and we will b

Very similar to the situation with the Gotthard Base Tunnel. Switzerland managed to build the longest railway tunnel in the world within 17 years, and we will barely manage to build a few kilometers of supporting infrastructure in the Rhine valley, which is mostly flat and rural, until 2035 [1]. It's embarrassing, really. [1] https://bauprojekte.deutschebahn.com/p/karlsruhe-basel https://bauprojekte.deutschebahn.com/p/karlsruhe-basel