President Puitin attends opening ceremony of second Baykal (Baikal) tunnel via video conference. a 6682 meter long tunnel passes Baykal ridge. Construction started in 2014.

Second tunnel increase daily train traffic from 17 pairs of trains to 33 pairs. , and within five years it will reach 85 pairs of trains. The volume of cargo traffic, according to calculations, will increase 2.5 times - from 13.2 million tons to 32.4 million tons of cargo per year. Kp write in five year it will increase to 85 pair trains. 

https://www.hab.kp.ru/daily/28310/4451502/