ÖBB, the Austrian railway company run five Infoworld´s to inform residents, neighbors and interested people about the new railway track. The interactive real-time application is part of every exhibition.
This great work is done by 3D Schmiede (previous called KOMMERZ) since 2015.
The interactive installation is made with Unity3D and edddison. Hardware is a monitor, middle class gaming PC and a touchscreen.
Download use-case description: [pdf]