대한교통학회지 (Journal of Korean Society of Transportation)

  • 제30권4호
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  • Pages.95-106
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  • 2012
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  • 1229-1366(pISSN)
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  • 2234-4217(eISSN)
대한교통학회 (Korean Society of Transportation)
권호 표지
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야간 및 일출몰 시간대 교통안전에 영향을 미치는 고속도로 기하구조 특성분석

Characteristics of Geometric Conditions Affecting Freeway Traffic Safety at Nighttime, Sunrise, and Sunset

  • 홍성민 (한양대학교 교통공학과) ;
  • 김준기 (국토연구원 국토인프라연구본부) ;
  • 오철 (한양대학교 교통.물류공학과)
  • Hong, Sung-Min (Department of Transportation Engineering, Hanyang University) ;
  • Kim, Joon-Ki (National Infrastructure Research Division, Korea Research Institute for Human Settlements) ;
  • Oh, Cheol (Department of Transportation and Logistics Engineering, Hanyang University)
  • 투고 : 2012.01.10
  • 심사 : 2012.06.06
  • 발행 : 2012.08.31
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초록

고속의 주행속도로 고속도로를 주행하는 운전자는 교통사고 예방을 위하여 일반도로 운전자와 비교하여 도로선형, 교통상황, 환경요인에 보다 신속하고 능동적으로 반응해야 한다. 특히 야간 및 일출몰 시간대에는 운전자의 도로선형변화 인지 능력이 주간 보다 떨어질 수 있으므로, 이러한 시간대에 발생하는 교통사고와 도로기하구조 특성을 체계적으로 분석하고 대응방안을 도출 것은 고속도로 교통안전 제고를 위해 대단히 중요한 작업이다. 본 연구에서는 교통안전과 고속도로의 기하구조의 특성과의 관계를 주간과 야간으로 비교하여 분석하였다. 또한 일출 및 일몰과 같이 태양의 고도가 운전자의 전방 상황주시에 영향을 주는 환경에서 도로의 선형과 교통안전과의 관계를 추가로 분석하여 위험한 도로조건을 찾고자 하였다. 본 연구에서는 이를 위해 사고발생 시간대를 주간, 야간, 일출몰 3가지로 나누어 포아송회귀분석과 음이항회귀분석을 활용하여 고속도로 교통사고빈도 모형을 도출하였다. 분석대상 구간은 전국 고속도로 중 제한속도를 110km/h로 운영 중인 서해안선, 중부선, 중부내륙선으로 설정하였으며, 분석구간의 2007년~2010년 4년간 교통사고 자료를 활용하였다. 분석결과 시간대에 따라 교통사고에 영향을 미치는 요인들은 차이가 있는 것으로 나타났다. 본 연구결과는 고속도로 교통사고 예방을 위해 야간 및 일출몰 시간대에 운전자의 안전운전을 지원할 수 있는 다양한 대응방안을 수립하는데 효과적으로 활용될 수 있을 것으로 기대된다.

Driver's capability of identifying the change in freeway alignments and environments is one of important factors associated with traffic safety on freeways. In particular, driver's visibility and recognition capability are highly dependent on the altitude of the sun by sunset, sunrise, and nighttime. The purpose of this study is to identify the characteristics of geometric conditions affecting crash occurrences at sunset, sunrise, and nighttime. Poisson and negative binomial regressions were adopted to predict freeway crash frequency in this study. Freeway crash data during 2007~2010 were used for developing the crash frequency models. A set of variables representing the characteristics of geometric conditions were identified as significant ones affecting crash occurrences. The results of this study would be useful in deriving effective countermeasures for preventing traffic crashes that mainly occur at sunset, sunrise, and nighttime on freeways.

키워드

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피인용 문헌

  1. Study on Effect of Low Visibility Condition at Nighttime on Traffic Accident vol.13, pp.2, 2014, https://doi.org/10.12815/kits.2014.13.2.012
  2. Relationship Between Accidents and Non-Homogeneous Geometrics: Main Line Sections on Interstates vol.32, pp.2, 2014, https://doi.org/10.7470/jkst.2014.32.2.170
  3. A Study on Marginal Effect of Geometric Structure on Freeway Accident Frequencies vol.32, pp.1, 2014, https://doi.org/10.7470/jkst.2014.32.1.073
  4. Comparative Analysis of Factors Affecting the Severity of Pedestrian Crash by Daytime and Nighttime in Seoul, Korea vol.54, pp.7, 2012, https://doi.org/10.17208/jkpa.2019.12.54.7.70