Monte Cristo announced today that the second content pack for Cities XL is now available. The biggest change is the addition of the bus system, which is the first mass transit system for the city building game. You can read all about the buses in this introductory article.
In addition, the patch adds a blueprint for a Megs-Ferris Wheel, New York City landmarks, and more content for both Planet and solo players. Solo players can even enjoy some in-game discounts for the holidays.