The main task of country economy modernizing aimed to improve its competitiveness and sustainability is the corresponding infrastructure creation. This problem solution is possible only through the joint efforts of state and private business. In this article the common and specific factors that affect the transport infrastructure project management are revealed on the basis of infrastructural project managing experience analysis, the principles of public-private partnership (PPP) as the format of such projects� realization are systematized and developed taking into account their characteristics. The offers directed on improvement of organizational and economic mechanism of infrastructural project management in the railway infrastructure sphere in the PPP model (the life-cycle contract) are developed.