Jan 6, 2016 - 1:20 PM
in reply to Lem84
No problem! The Bernina Express runs in both directions: Chur - Tirano, Tirano - Chur, and also part of the route: St. Moritz - Tirano and Tirano - St. Moritz. Plus, there are plenty of local trains as well running on the exact same route in both directions.