Airports play a big role in modern society. They help to connect different parts of the world, contributing to the development of business relations and trade. As more and more aviation-oriented businesses are being drawn to airport cities and along transportation corridors radiating from them, a new urban form is emerging - the Aerotropolis. In this case we propose to consider the principles of the city, built on the airport, and our concept of transit city that based on such types of megastructure.