Abstract
South Korea, which has a higher population density than other countries, can lead to massive human costs in the event of a disaster such as a radiation leakage. Accordingly, a number of studies have been conducted to simulate disaster situations or derive optimal evacuation routes. However, most of the road network data used in these studies are virtual or small. In this study, actual road network data from the entire Gyeongsang region were used. In addition, various scenarios for evacuation situations in the event of a radiation leakage were constructed in consideration of various variables such as distance, traffic volume, and modes. The analysis results are summarized as follows. First, as a result of performing the simulation, the shadow evacuation rate does not significantly affect the evacuation time. Second, the farther the destination, the more evacuation time it takes. Third, evacuating to some aid stations rather than the entire aid station can reduce the time required for evacuation. Fourth, in the EPZ area, using buses as much as possible helps reduce evacuation time.
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