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Traffic Accident Density Models Reflecting the Characteristics of the Traffic Analysis Zone in Cheongju

존별 특성을 반영한 교통사고밀도 모형 - 청주시 사례를 중심으로 -

Kim, Kyeong Yong;Beck, Tea Hun;Lim, Jin Kang;Park, Byung Ho
김경용;백태헌;임진강;박병호

  • Received : 2015.06.26
  • Accepted : 2015.11.27
  • Published : 2015.12.15

Abstract

PURPOSES : This study deals with the traffic accidents classified by the traffic analysis zone. The purpose is to develop the accident density models by using zonal traffic and socioeconomic data. METHODS : The traffic accident density models are developed through multiple linear regression analysis. In this study, three multiple linear models were developed. The dependent variable was traffic accident density, which is a measure of the relative distribution of traffic accidents. The independent variables were various traffic and socioeconomic variables. CONCLUSIONS : Three traffic accident density models were developed, and all models were statistically significant. Road length, trip production volume, intersections, van ratio, and number of vehicles per person in the transportation-based model were analyzed to be positive to the accident. Residential and commercial area ratio and transportation vulnerability ratio obtained using the socioeconomic-based model were found to affect the accident. The major arterial road ratio, trip production volume, intersection, van ratio, commercial ratio, and number of companies in the integrated model were also found to be related to the accident.

Keywords

density model;traffic accident;traffic analysis zone;multiple regression analysis;land use;socioeconomic variable

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