The start of operations in the Ligerz Tunnel, at the southern foot of the Jura Railway line in Switzerland, has been postponed by three years to the end of 2029.

(SBB saysthis is because of protests, appeals and new environmental laws).

https://www.railtech.com/infrastructure/2023/09/27/new-swiss-ligerz-tunnel-opening-postponed-by-three-years/