How long is the flexible fare ticket valid if I book a single ticket? Can I interrupt my journey?
Single journeys of less than 100 km:
The ticket is valid on the day indicated on the ticket.
Journeys over 100 km:
You must begin your journey on the day specified on the ticket. You can interrupt a journey if you like and continue at a later time, such as the next day, as long as the start and destination stations remain unchanged.