Problems of the Warsaw Metropolitan Area in Shaping the Principles of Sustainable Transport Development

The paper refers sustainable transport development in the European Union especially definitions, principles and guidelines of individual member states. Practice shows that implementation of the principles is not easy, as indicated by various available analyzes and studies of transport systems operating in EU member states. In Poland, also activities are undertaken related to the implementation of these principles into the transport systems of the country, large urban centres, metropolitan areas or cities. Due to the continuous development of transport and ways to implement it, there are still many problems that constitute a barrier that is often not easy to overcome (even financial). The paper points out the problems of implementing the principles of sustainable transport development in the Warsaw Metropolitan Area (WMA). To resolve the problem, research methods were used: analogy, analysis, synthesis, induction, deduction.