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Analysis of Temporal and Spatial Distribution of Traffic Accidents in Jinju

진주시 교통사고의 시계열적 공간분포특성 분석

  • Sung, Byeong Jun (BK21+, Urban Engineering, Gyeongsang National University) ;
  • Bae, Gyu Han (BK21+, Urban Engineering, Gyeongsang National University) ;
  • Yoo, Hwan Hee (BK21+, Urban Engineering, Gyeongsang National University)
  • Received : 2015.04.06
  • Accepted : 2015.05.07
  • Published : 2015.06.30

Abstract

Since changes in land use in urban space cause traffic volume and it is closely related to traffic accidents. Therefore, an analysis on the causes of traffic accidents is judged to be an essential factor to establish the measure to reduce traffic accidents. In this regard, the analysis was conducted on the clustering by using the nearest neighbor indexes with regard to the occurrence frequencies of commercial and residential zone based on traffic accident data of the past five years (2009-2013) with the target of local small-medium sized city, Jinju-si. The analysis results, obtained in this study, are as follows: the occurrence frequency of traffic accidents was the highest in spring and the lowest in winter respectively. The clustering of traffic accident occurrence at nighttime was stronger than at daytime. In addition, terms of the analysis on the clustering of traffic accident according to land use, changes according to the seasons was not significant in commercial areas, while clustering density in winter tended to become significantly lower in residential areas. The analysis results of traffic accident types showed that the side-right angle collision of cars was the highest in frequency occurrence, and widespread in both commercial areas and residential areas. These results can provide us with important information to identify the occurrence pattern of traffic accidents in the structure of urban space, and it is expected that they will be appropriately utilized to establish measures to reduce traffic accidents.

도시공간에서 토지이용변화는 교통량을 유발하고 이에 따른 교통사고발생이 상호 밀접한 관계를 갖고 있으므로 토지이용변화에 따른 교통사고발생원인 분석은 교통사고저감대책 수립에 중요한 요소로 판단된다. 이에 지방 중소도시인 진주시를 대상으로 5년간(2009년~2013년)의 교통사고 데이터를 주거지역과 상업지역의 사고 발생빈도와 최근린 분석기법에 의한 군집도를 분석한 결과 다음과 같은 결론을 얻었다. 교통사고의 발생빈도는 봄에 가장 많았고 겨울이 가장 작게 발생하였다. 또한 주간과 야간의 교통사고 발생빈도는 주간이 야간에 비해 조금 더 많이 발생하였으나 교통사고발생 군집도는 야간이 주간에 비해 강하게 나타났다. 그리고 토지용도에 따른 교통사고 군집도 분석에서 상업지역은 계절에 따른 변화가 크지 않았으나 주거지역은 겨울철에 군집밀도가 크게 낮아지는 경향을 보였다. 교통사고 유형에 따른 분석 결과 차 대 차의 측면직각추돌사고가 가장 높은 발생빈도를 보였으며 상업지역과 주거지역에 모두 광범위하게 발생되는 것으로 나타났다. 이상의 결과는 도시공간구조에서 교통사고 발생패턴을 파악하는데 중요한 정보가 될 수 있으며, 향후 교통사고저감대책을 수립하는데 유용하게 활용될 것으로 예상된다.

Keywords

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