Cities in Motion

Cities in Motion is a 2011 business simulation game developed by Colossal Order and published by Paradox Interactive.[2]
The goal of the game is to implement and improve a public transport system in 4 European cities - Amsterdam, Berlin, Helsinki and Vienna. This goal can be achieved by building lines for metro trains, trams, boats, and buses.
The game is available for purchase through physical CD sales, digital downloads via Steam, and DRM-free digital downloads via other distributors.[3][4]
On 5 April 2011 Paradox Interactive released the DLC Cities in Motion: Design Classics, featuring five new vehicles.