With the DSW21 app, your mobility looks really good. Timetable information, ticket purchase, traffic reports and more can be found in our public transport app for Dortmund and beyond. All important functions at a glance Timetable information: Find your connection. Whether in Dortmund, in the VRR or beyond the network boundaries. Departure monitor: Do you want to know which lines run at a particular stop? The departure monitor shows you all the times. Traffic information: If things don't go a