Are GA travelcards and Half-Fare travelcards valid within the ZVV?
GA travelcards and Half-Fare travelcards are recognised on all routes within the ZVV. With a GA travelcard, you don’t need to buy any additional tickets. With a Half-Fare travelcard you pay the reduced prices for single tickets, day passes, 9 o’clock day passes, multiple-journey tickets, multiple day passes and group tickets.