4 ms·
A tunnel would be massively easier to build, but there's strong political hubris and greed in keeping the original single-span bridge project from the early '60
by easyThrowaway 1y ago
A tunnel would be massively easier to build, but there's strong political hubris and greed in keeping the original single-span bridge project from the early '60s.
- fph 1y agoThe strait is unusually deep, 250 m. That seems quite a slope.
- bobthepanda 11mo agoApparently we already have underwater tunnels 292 meters below sea level https://en.wikipedia.org/wiki/Ryfylke_Tunnel#:~:text=The%20Ryfylke%20Tunnel%20(Norwegian:%20Ryfylketunnelen,Hundv%C3%A5g%20island%20in%20Stavanger%20municipality. https://en.wikipedia.org/wiki/Ryfylke_Tunnel#:~:text=The%20R...
- fph 11mo agoIt's also a question of length though. If you go down 292 m and then back up over 14.4 km, that is a 4% slope on average. But to go down 250 m and then back up over 3.3 km, it requires a 15% average slope.
- bobthepanda 11mo agoI mean both Sicily and mainland Italy have more than 7km of land on either side to ascend into.