I saw the pictures from the Picture Contest...everyone has something new, from buildings (unseen skyscraper :P) to transportation system (railways, underground roads-I'm not sure of this-, ). I'm comparing with my simcity 4 Deluxe...thanks guys
You can download custom content from different exchanges.
A link to the one on this site can be found in the top right corner.
You will need a separate registering at LEX (the exchange)
Transport systems is released under the name: NAM = Network Addon Modd.