Using the 'Frei Fahren' app, users of public transport in Berlin can warn each other about ticket inspectors.
According to the app's developer, around 40,000 people regularly use the program. This feature could potentially influence passenger behavior and lead to an increase in the number of travelers with valid tickets.
According to the app's developer, around 40,000 people regularly use the program. This feature could potentially influence passenger behavior and lead to an increase in the number of travelers with valid tickets.