Because they can’t (couldn’t?) build it for the usual reasons that there’s one place on the route where they have trouble getting permission. Not because of any faults with the technology.
Also wasn’t even the original planned completion date still in the future? You don’t build hundreds of km of railway featuring some of the longest railway tunnels ever built in a year.
It’s been testing for how many years? And they still don’t have a end on sight
Because they can’t (couldn’t?) build it for the usual reasons that there’s one place on the route where they have trouble getting permission. Not because of any faults with the technology.
Also wasn’t even the original planned completion date still in the future? You don’t build hundreds of km of railway featuring some of the longest railway tunnels ever built in a year.