I often buy a 24 hour train ticket (4 zones in Zürich). If I wait for a train that is valid with the ticket, what happens if the train is delayed?
With a multi-card, it only needs to be valid at the start of the trip. Can I use it on a train that gets delayed past the 24 hours?
With a single-24-hour ticket (must be valid until end of journey). What happens if the train is delayed after I get on (still valid), so my ticket expires before the end of my journey?