1. you should be able to build the bridge first then insert the networks you want on one or more decks. This will prevent the building of to many bridges.
same with tunnels.
2. when building the bridges you should have the option of building a tunnel.
3. when zoning there should be a hybrid zone of both commercial and residencial zones. this will allow a tower with both jobs and pop..
4.double decker highways
5.more desasters and have the ablity to make them happen on their own. ex. hurricane, mudslides, highway pileup, car, plane, & train hijacking so on
6. more cars to choose from for the move in sims u drive it mode. there is currently more space (numbers) than cars.