Nowadays, there is a problem of development of the transport system in many large cities. Timely and balanced development of the transport system is an integral part of the development of any city, allowing the functioning of all modes of transport in order to maximize the satisfaction of transport needs at minimal cost. The system of St. Petersburg isn't an exception. The purpose of the work is to analyze the types of existing transport networks and the transport system of St. Petersburg, to consider its prospects and to identify the most appropriate ways of development. In the article have been considered various types of the transport networks, their merits and demerits, based on world experience. The method of the analysis and synthesis has considered the current state of the transport system of St. Petersburg. On the basis of the data reviewed, the objectives have been set and specific solutions have been proposed for the development of the transport system, taking into account its social and economic purpose.