The public road is an area that everyone can move under the conditions laid down by the Law on Traffic Safety on the Roads and which has been proclaimed by the public authority on a public road. If the need for the use of public roads or parts of it as a public road permanently ceases, on the basis of that the public property status may be abolished in the general use and the real estate with which the status of public property in general use ceases to remain the property of the Republic of Croatia. Sustainable transport development of the Republic of Croatia is developing within the overall sustainable development of the state, which implies a cohesion of transport development with aspects of sustainable development, ie it does not jeopardize the needs of future generations, but fully meets today's needs and ensures a balance between demands for quality of life, economic component, for the proportional development of the country and for the well-being of all the inhabitants of the so-called social component, for the preservation of the environment as a natural asset to which the present and future generations depend, component of environmental protection. Summing up all the data collected, mostly taken from secondary sources, it comes to the conclusion that sustainable transport development only began its existence with emphasis on establishing adequate infrastructure and development of intelligent transport systems. It is possible to allocate funds from two main sources, namely revenues from registration fees and revenues obtained by co-financing from the Croatian Roads.