TBM Nadezhda started boring a tunnel from the Davydkovo station for the last piece of south western part of Moscow Metro's Big Circle Line (BCL).

Tunnel bored is 1,45km long and double-track. It will go 35 meters below ground. It will bore under residential area of Fili-Davydkovo area and under the river of Setun.

Total length of the BCL is 70 kilometers. It will finish in 2023.

https://realty.interfax.ru/ru/news/articles/120215/