Mechanisms of Formation and Implementation of Urban Infrastructure Projects

The transformation of cities is an evolutionary process, due to socio-economic development of society, technological progress and changing thoughts about the nature of the urban environment. All these factors influence human behavior in the city and, as a result, the emergence of new roles, the development of the city of new services, change of urban structure. Despite the evolutionary nature of the process, the history of the famous examples of a fundamental transformation of the existing urban fabric. The most striking example is the plan for Baron Haussmann's reorganization of Paris. The programme has undergone fierce criticism from many cultural and public figures of his time. Only after the Second world war he conducted the transformation was largely rehabilitated. Anyway, reform of Osman continues to shape the modern Paris, which became the world's new image: to replace the narrow and picturesque medieval streets came wide boulevards and squares. The paper conducts a comparative analysis of the mechanisms of evolutionary and revolutionary systems of transformation of urban tissue.