Be sure to check the timetables at the relevant stops. Regular tickets and travel passes are not valid on these, you have to buy special night bus tickets. This means that any ticket bearing the VOR symbol can be used on every means of public transport in the area.
Tickets are available for various fare zones .
You never have to pay for more than eight zones, no matter how far you travel. Multi-ride tickets can thus not be used beyond the city border, and the situation is further complicated by the fact that ticket machines no longer offer all tickets, so that passengers are either forced to pay more than they have to or are left without a valid ticket. Tickets Fares quoted below are valid as of February 2001. Also available as strip tickets for 4 journeys. Note that a ticket bought in zone 100 is not valid for travelling beyond the city boundaries.