Forcasting of International Air Transport Demand of South Region to Consider Behavior of Access

By airport extension project concentrating in the capital region, it is getting more difficult for southern international air passengers to access and transfer to Incheon International Airport. Increasing transfer through Kansai and Narita International Airport in Japan is producing a contrary result that promotes Japan airports' role of Northeast Asia hub. In this situation, necessity of constructing new southern international airport that acts as a gateway of cosmopolitan city is increasing. The purpose of this study is to examine the behavior of southern passenger's international airport use and the changed international airport using area considering changing access behavior by KTX. For this purpose, this study utilizes data from a questionnaire about behaviors of international airport for inhabitants in Gwangju Jeolla and Daegu Gyeongsanbukdo area where is boundary between Incheon Internatinal Airport and new southern international airport considering both time and cost. This study also employed nested legit model to examine the factors influencing on air transport demand and airport choice.