UPDATES:

Have buildt a highway that goes all around the map and to new areas where you can build what ever you want, and a bunch of new tunnels are buildt.

I have buildt a tunnel that connects the airport to the main highway.

One new build is a restaurant near the highway

A small city that I have created with a small airport, some buildings, not finished, but almost finished, It also has a swimming hall, three skyscarpers, heliport, shopping centre thats not finished yet, functional light house, underground corridor that takes you from the airport terminal to the swimming hall area, a complete airport with control tower, runway.