2025-07-17 00:00:00 STADTBUSsi… comes as ordered! Our on-demand platform makes mobility even smarter: you can book your journey conveniently and individually with the app, without a timetable, daily in the evening and night and on Saturdays, Sundays and public holidays also during the day - design yours with the CITYBUS Travel chain and get to your destination safely. STADTBUSsi is a supplement to the StadtBus service area and is integrated into the VRR tariff system. Valid VRR and VRS subscriptions are specified when registering and a 25% discount on the fare is deducted directly.