By freight-traffic flows we mean the movement of trade in the world, which is done through traffic and trade, and the three most important characteristics of freight-traffic flow are: direction, type and intensity. The direction is determined by the source and destination, the intensity by the quantity of transported goods in a certain time unit, and the type refers to the means of transport and the goods transported. Freight traffic flows are a significant indicator of the volume and structure of part of world traffic. The common definition of a car would be a road motor vehicle designed to transport passengers or cargo at higher speeds over longer distances, and they are mostly on four wheels. They are powered by internal combustion engines, petrol or diesel, although today there is a growing use of a more environmentally friendly electric car. In recent years, the European countries that export the most cars are: Germany, Spain, Great Britain, Slovakia, the Czech Republic, and the countries that import the most are: Germany, France, Belgium, Great Britain, Italy.