In every case of serious development that concerns the majority of society, it is vital to analyze the current social opinion on the particular service and to analyze the possible effects, that the elements of the system being developed, could have. This is no different, when it comes to smart cities, more specifically smart traffic systems, even if these developments are to serve the improvement of people’s living conditions. It is essential to determine what the decisive factors are for the man of today in choosing a mode of transport; which attributes influence that decision; what sort of opinion that individual has about different urban modes and whether he/she is ready to utilise smart means of transport. Furthermore, it is inevitable to explore, what would make people choose" smart" solutions (eg autonomous vehicles). Current article is to showcase the responses to the above questions of people living in the Hungarian capital, Budapest. The article begins with an overview of the international literature on smart cities and their transport system. Afterwards, the results of a research sponsored by the Hungarian Ministry of Human Capacities are presented, followed by the conclusions based on the results obtained.