Transport is a definite end result of existing or potential movements in any geographical region, provided that the elements of three-dimensional transmission systems are available from the nodes (cities) and the interconnected road routes approved for transport with the interaction of the center and cities of Duhok. This contributes to revealing the actual or expected size in order to achieve different economic, social, political and military transport objectives. This study aims to build a spatial model to measure the effectiveness of passenger transport and the commercial relations of cargo traffic between the center and cities of Dohuk district. These areas exhibit variation in the volume of transport traffic towards the city centers according to their size and functional activity as major human settlements in their regional framework or at the level of the neighboring districts and provinces. This has resulted in a situation of spatial disharmony in the functional interaction between the transportation nodes and their direction. This in turn is reflected in the limited geographic change throughout the district of Dohuk. The study required a major approach based on quantitative methods such as measurement indicators of the efficiency of the movement of passengers and goods as well as indicators of the model of gravity and interaction of transport traffic between the center and cities of the study area.