Unfortunately this isn't new German public transport policy but a marketing stunt by Volkswagen.
Their "Fun Theory" team set up the giant red slide next to the escalators inside Alexanderplatz station - much to the confusion of bemused travellers.
They then stood back and watched to see how many people chose to use it rather than the traditional stairs of escalator.
Volkswagen say the scheme shows how people will voluntarily change their behaviour for the better if offered a fun way of doing it. Admit it, you would too.
Fun Theory have previously included converting a bottle bank into an arcade game and a flight of stairs into a piano.