The significant rise of the construction costs of transport investment projects at present days is considered in the paper. The analysis of reasons of cost rise is accomplished on the purpose to use the EU financial support and other financing resources for transport sector more effectively and to plan the further usage of investments for transport infrastructure. Costs, acting factors, financing resources influence on the priority projects of transport infrastructure are analysed and changes of construction costs are defined and the problems of the implementation of infrastructure project are clarified. The recommendations are offered concerning preventive measures for up the costs of transport infrastructure works and their application possibilities, and to substantiate the development of infrastructure projects
