- In Karben in the Wetterau district, tickets are offered at reduced price in some cases.
- The reduced price is 1 Euro per journey in Karben.
- It is valid for single tickets for adults in price levels 1 and 2 on all RMV means of transportation in the city of Karben (tariff zones 2615, 2620).
Tickets are available at discount
- at ticket machines at Karben-Okarben and Groß-Karben stations
- at the VGO retail outlet in the kiosk at Groß-Karben station
- for bus drivers
- as RMV-HandyTicket