Abstract:

Abstract Almost world countries, the complexity of traffic environment is becoming increasingly over time, so any shortcoming that may face traffic safety in roads, especially intersections, could constitute a global problem. Iraq is considered among these developing countries in the Middle East, and traffic accidents are growing in it, which leads to danger fatalities and economic and social losses in the country. Current research aims to provide a revision on analyze the capacity of a four-legged unsignalized intersection by means of traffic- conflict technique. It has been proven that this method is simpler dealing than the theory of gap- acceptance. In order to avoid many of the complexities facing the gap- acceptance theory, which is in a certain circumstances are far from reality. The traffic conflict technique represents the ideal solution for analyzing safety situations in terms of traffic events that can be observed more than accidents one of the best technologies so far. The current article provides a trial on review of previous research and literature regarding the traffic conflict technique. In order to obtain an answer to traditional questions related to the meaning of traffic conflict, the roles of the traffic conflict technique that are make them ideal guides to the accident record, the methodology of collect traffic conflict data. Finally, advantages and disadvantages are clarified in answering these questions based on methodological and scientific foundations.

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