The final breakthroughs took place on 21 January 2016 (west tube) and 26 January 2016 (east tube) and rail service through the tunnel is expected to start in December 2020.
The final breakthroughs took place on 21 January 2016 (west tube) and 26 January 2016 (east tube). Rail service through the tunnel is expected to start in December 2020.