Bicycle_micycle There is no possibility to do this. e.g. suppose you already have a 3 zone single ticket and wish to extend it by adding a 1-2 ‘anschluss’
RedBaron Bicycle_micycle There is: Select a connection for your “extension” trip, e.g. Zurich HB - Uetliberg Go to the ticket selection and note all the zones involved in the standard ticket, “deduct” the zone(s) already included in your existing ticket Scroll down and select “ZVV Extension Ticket / Anschlussbillett” Check the number of selected zones and change it by tapping change/ändern if necessary. (The price should now be lower than the standard ticket) Buy