The schedule of Sapsan trains running between St. Petersburg and Moscow will change from May 11 to May 29, 2022, the press service of the Oktyabrskaya Railway reported.
Regarding the timetable change?
The timetable changes are linked to the modernization works of the railway infrastructure. They will be carried out at the stations of Bushevets and Okulovka, as well as at the sections of Mstinsky Most — Burga and Sunflower — Corner.
Which trains will be canceled in May?
Trains from St. Petersburg to Moscow will be canceled:
No. 757 — May 11-20 and May 23-27;
№ 763 — from May 14 to May 15;
№ 765 — May 14, 15, 21, 22, 28, 29.
Trains from Moscow to St. Petersburg will be cancelled:
No. 766 — May 14-15;
№ 770 — May 11-20 and May 23-27;
№ 764 — May 14, 15, 21, 22, 28, 29.
Also, the schedule of another 26 Sapsan will change during the working period. A full list can be found on the Oktyabrskaya Railway website.
How will train departure times change in April?
From April 4 to April 26, 2022, Sapsan train times will be changed temporarily. This is due to repair works on the Redkino — Zavidovo section and Mstinsky Most and Okulovka stations.
Trains on April 9, 10, 16, 17, 23 and 24 will be cancelled:  ;
No. 763, following from St. Petersburg to Moscow;
No. 764, following from Moscow to St. Petersburg;
No. 765, following from St. Petersburg to Moscow;
No. 766, following from Moscow to St. Petersburg.
Source: ozd.rzd.ru