Oberleitung
In short
Oberleitung refers to the overhead lines used to supply electricity to trains. It is currently in the news due to a fatal accident in Cologne involving a teenager and reports regarding the cost-effectiveness of these lines versus battery-powered trains.
Who they are now
In a technical context, it is the overhead contact system that provides power to electric locomotives. In recent news, it has been the subject of discussions regarding railway infrastructure costs and safety incidents.
Why they are in the news
People are searching for the term following a tragic report of a 14-year-old boy dying from an electric shock in Cologne while trainsurfing, and debates over whether battery trains could make expensive overhead lines unnecessary.
An example of their work
The system is used to power regional trains, such as those on the Bodenseegürtelbahn, where the necessity of maintaining overhead lines is being weighed against the use of new battery technology.