Accurate knowledge about the causes, circumstances and place of transport accidents is the prerequisite to take the correct action to improve transport safety. Developing appropriate organizational structures, formsand methods of management and implementation of safety measures in the sectoral approach condition the success. Therefore, the Safety Information System is one of the integral areas of the Integrated Transport Safety System ZEUS

The importance of independent investigations into the causes of transport accidents is still underestimated in Poland in the same way as the right of society to adequate information on safety. Meanwhile, international experience shows that they can effectively improve safety by reducing the costs, enhancing the transfer of safety lessons between different modes of transport, facilitating the advancement of new and innovative investigation techniques and by increasing safety levels through the recommendations coming from investigations and safety research