Are the Half-Fare travelcard and GA (general travelcard) valid? Yes, the Half-Fare Card and GA travelcard are valid on all our lines. Related articles I have a Swiss Travel Pass / General Abonnement, do I need to buy a ticket? Are there any reduced rates for seniors or students? Does the transport ticket ensure a seat on board? What are the train timetable ? Can I buy a ticket on the train?