In this monograph the author defines proper functioning and development of transportation as essential issue for economic growth and development of all countries, thus Republic of Serbia. Financing the construction and modernization of transport infrastructure is the most complex task in the development of traffic. Projects financed by international financial organizations allow greater inflow of foreign capital strengthening the capacity of developing countries. In the monograph are used and critically analyzed the results of recognized researchers studies and experts from public enterprises, relating to the use of 1 billion Euros of funds in Serbia. The monograph emphasizes that a well-organized public services and public companies, in addition to production and economic feasibility, are an important measure protection of further development of Serbia. From the standpoint of infrastructure in this monograph will be highlighted areas in Serbia, which are recommended for this type of study. The author hopes that the monograph will be of great use of researchers who are already engaged in this kind of issue.