The article discusses the principles of the formation of the estimated transportation districts, taking into account special generators of movements that are understood as large objects of mass service of the population, in relation of which, the generation of visits is comparable to the generation of certain districts of the city. The conditions for the allocation of such generators in the special estimated transportation districts are considered. The methodology to form the initial data in relation to the estimated transportation districts using modern GIS technologies is described. The classification of the estimated transportation districts is presented.