Rather than animations or objects representing a traffic-jam, they're produced dynamically by masses of Sims who actually travel to and from work. When a factory produces something in game, you can see it chugging away producing objects that will then be transported to stores and homes. Other simulation games fake these effects, but SimCity actually does them. – 1UP.com
Good day to you, people of the world! My name is Ross and I’m a balance designer here at Maxis. If you will allow it, I would like to share with you how I mayor. I will do so by building a city that is all about oil.