DSW21 is the official transport app of the city of Dortmund, Germany. It is designed to give you all the information about public transport in the area of ​​Burgauer Berg. 

The app offers a quick and easy way to plan your route and find out when the next bus, train, or subway is coming. You can save your favorite stops for easy access later on. You can also set a departure monitor to make sure you don't miss your bus or train. And if you need to, you can call the transport company directly from the app.

All in all, DSW21 is your best tool to get around in Dortmund.