Two vehicle truck-involved crash severity model using ordered logit regression = 순서형 로짓 모형을 이용한 트럭 관련 두 차량 사고의 심각도 분석

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Traffic crash is always a big issue for traffic safety researchers. The crash study is often focused on crash frequency and severity. This study considered the 2 vehicle truck involved crash happened in CA Bay area Interstate 880 from year 2005 to 2009 and divided to dataset into two parts: non-at-fault truck driver crash and at-fault truck driver crash. The crash information sources include SWITRS, PeMS and TASAS geometry. The ordered logit regression method is used to model the two data sets. After modeling we find that these 15 variables Day Of Week, Crash type, Safety measures, Road surface, Volume, V-Sd, S-Sd, Occupancy, Median width, Sex, Cellphone usage, Movement, Weather, Lighting, Surface type all affect the crash severity, while compared with the result for the at-fault truck drivers, only these 7 variables: Crash type, Sobriety, Shoulder width, Lighting, Weather, Speed, S-Sd affect crash severity in the same significance level. For non at fault truck drivers crash, Being female, Cellphone hands free in use, Weekends (Saturday and Sunday), Proceeding straight, Sideswipe crash type, Wet road surface, Dusk-Dawn, Concrete road surface type all tend to increase the crash severity level. For at fault truck drivers, Higher Standard deviations of speed (S-SD), Higher Speed, Broadside crash, Dusk-Dawn, Driving after drinking are found to increase the crash severity level.
Advisors
Yoon, Yoon-Jinresearcher윤윤진
Description
한국과학기술원 : 건설및환경공학과,
Publisher
한국과학기술원
Issue Date
2012
Identifier
508708/325007  / 020104546
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 건설및환경공학과, 2012.8, [ vii, 59 p. ]

Keywords

Truck-involved crash; at-fault truck driver; crash severity; 트럭교통사고; 과오운전자사고; 사고의 심각도; 순서형 로짓 모형; ordered logit regression

URI
http://hdl.handle.net/10203/180053
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=508708&flag=dissertation
Appears in Collection
CE-Theses_Master(석사논문)
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