Cities in Motion
The official game
http://www.gamersgate.com/DD-CIM/cities-in-motion
http://store.steampowered.com/app/73010/?snr=1_4_4__13
http://www.gamersgate.com/DD-CIM/cities-in-motion
http://store.steampowered.com/app/73010/?snr=1_4_4__13