The article emphasizes and substantiates the principles of sustainable development of the Street-Road Network (SRN) based on improving the quality of life of the urban population, and also it deals with the problems in the transport infrastructure of a megacity. The technique of diagnostic analysis of qualitative indicators of SRN functioning is observed. There have been determined the main approaches to the sustainable development of the SRN at the local level in the megacity. Its main indicator parameters are analyzed on the example of certain areas of the largest metropolis in the world - Moscow. Their technical and ecological state is assessed. The most effective management tools in the SRN system of the megalopolis at the local level are identified. The development concept of the priority direction of SRN in a stable regime is formulated on the basis of the system approach, the obtained results are aimed at ensuring the social, ecological and economic effect of its activities.