• Title, Summary, Keyword: Traffic accident

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Traffic Accident Models for Trucks at Roundabouts (회전교차로에서의 화물차 사고모형)

  • Son, Seul Ki;Kim, Tae Yang;Park, Byung Ho
    • International Journal of Highway Engineering
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    • v.19 no.4
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    • pp.53-59
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    • 2017
  • PURPOSES : This study deals with traffic accidents involving trucks. The objective of this study is to develop a traffic accident model for trucks at roundabouts. METHODS : To achieve its objective, this study gives particular attention to develop appropriate models using Poisson and negative binomial regression models. Traffic accident data from 2007 to 2014 were collected from TAAS data set of road traffic authority. Thirteen explanatory variables such as geometry and traffic volume were used. RESULTS : The main results can be summarized as follows: (1) two statistically significant Poisson models (${\rho}^2=0.398$ and 0.435) were developed, and (2) the analysis revealed the common variables to be traffic volume, number of exit lanes, speed breakers, and truck apron width. CONCLUSIONS : Our modeling reveals that increasing the number of speed breakers and speed limit signs, and widening the truck apron width are important for reducing the number of truck accidents at roundabouts.

Traffic Accident analysis and Traffic Police Activity - Centering Gwangju Province Police Agency - (교통사고 분석과 교통경찰활동 - 광주지방경찰청을 중심으로 -)

  • Kang, Maeng-Jin
    • The Journal of the Korea Contents Association
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    • v.9 no.9
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    • pp.199-209
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    • 2009
  • By materials of traffic safety public corporation, from 2007. 1. 1 to 2007 12. 31, for a year. traffic accidents took place in korea were 211,662 accidents. By this 6,166 people were death, and 335,906 people were wounded. In Gwangju metropolitan city, in 2007 year, 7,881 accidents took place and 152 people were death and 12,728 peoples were wounded, in 2008 year, 8,231 accidents took place and 138 people were death and 13,533 people were wounded. Death people reduced but accidents numbers were in creased 4.4%. Meanwhile, government did various traffic policies to reduce traffic accident. But still, disgrace of underdeveloped country in traffic division couldn't take off. Moreover, traffic safety unconcern of general country people are very deficient. In this research, as the basis of Gwangju province police agency, in traffic accident the present state, I am' going to analyse the part of directly related to citizen life and centering death accident and to present traffic police activities for prevention of traffic accidents.

A Development of Models for Analyzing Traffic Accident Injury Severity for Signalized Intersections (신호교차로 안전성 향상을 위한 사고심각도 모형개발)

  • Ha, Oh-Keun;Hu, Ec;Won, Jai-Mu
    • Journal of the Korean Society of Safety
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    • v.23 no.2
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    • pp.65-71
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    • 2008
  • As the interest in traffic safety has been increasing recently, social movement is being made to reduce the number of traffic accidents and the view on improving the mobility of the existing roads is being converted into on establishing traffic safety as a priority. The increase of traffic accidents related to an intersection in a state that traffic accidents are decreasing overall may suggests the necessity to investigate the specific causes. In addition, we have to consider them when establishing the measures against traffic accidents in a intersection by investigating and analyzing the influences and factors that may affect traffic accidents. To induce the accident severity model, we collected the factors that affect accidents and then applied the Poisson Regression Model among nonlinear regression analysis by verifying the distribution of variables. As a result of the analysis, it turned out that the volume of traffic on main roads, the right turn ratio on sub-roads, the number of ways out on sub-roads, the number of exclusive roads for a left turn, the signals for a right turn on main roads, and an intersect angle were the factors that affect the accident severity.

Data Fusion, Ensemble and Clustering for the Severity Classification of Road Traffic Accident in Korea (데이터융합, 앙상블과 클러스터링을 이용한 교통사고 심각도 분류분석)

  • Sohn, So-Young;Lee, Sung-Ho
    • Journal of Korean Institute of Industrial Engineers
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    • v.26 no.4
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    • pp.354-362
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    • 2000
  • Increasing amount of road tragic in 90's has drawn much attention in Korea due to its influence on safety problems. Various types of data analyses are done in order to analyze the relationship between the severity of road traffic accident and driving conditions based on traffic accident records. Accurate results of such accident data analysis can provide crucial information for road accident prevention policy. In this paper, we apply several data fusion, ensemble and clustering algorithms in an effort to increase the accuracy of individual classifiers for the accident severity. An empirical study results indicated that clustering works best for road traffic accident classification in Korea.

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Developing the Traffic Accident Prediction Model using Classification And Regression Tree Analysis (CART분석을 이용한 교통사고예측모형의 개발)

  • Lee, Jae-Myung;Kim, Tae-Ho;Lee, Yong-Taeck;Won, Jai-Mu
    • International Journal of Highway Engineering
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    • v.10 no.1
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    • pp.31-39
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    • 2008
  • Preventing the traffic accident by accurately predicting it in advance can greatly improve road traffic safety. The accurate traffic accident prediction model requires not only understanding of the factors that cause the accident but also having the transferability of the model. So, this paper suggest the traffic accident diagram using CART(Classification And Regression Tree) analysis, developed Model is compared with the existing accident prediction models in order to test the goodness of fit. The results of this study are summarized below. First, traffic accident prediction model using CART analysis is developed. Second, distance(D), pedestrian shoulder(m) and traffic volume among the geometrical factors are the most influential to the traffic accident. Third. CART analysis model show high predictability in comparative analysis between models. This study suggest the basic ideas to evaluate the investment priority for the road design and improvement projects of the traffic accident blackspots.

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Development of a Traffic Accident Investigation Device Using PDA Technology (PDA기반 교통사고 조사장비 개발에 관한 연구)

  • Lee, Sang-Soo;Oh, Young-Tae;Lee, Choul-Ki
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.8 no.1
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    • pp.22-29
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    • 2009
  • This paper suggests a PDA-based scientific traffic accident investigation system in order to improve the reliability and accuracy of a traffic accident investigation procedure. In order to fulfill this objective, a standard accident sheet with 32 elements to be used in the PDA system was developed through a reference review and an expert survey. Using this information, the required functionalities and realization procedure of the PDA system for traffic accident investigation were presented including mobile network environment and GPS/GIS design. A prototype of PDA system is presented and more improved and efficientmanagement is highly expected by applying the system developed in this paper.

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A Study on Characteristics of Skin Resistance Variability(SRV) in the Traffic Accident Patients Prescribed Dangkisoo-san(Dangguixu-san) (당귀수산을 처방받은 교통사고환자의 피부저항변이도 특성에 관한 연구)

  • Kim, Eu-Gene;Cha, Yun-Yeop
    • Journal of Korean Medicine Rehabilitation
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    • v.18 no.3
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    • pp.119-132
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    • 2008
  • Objectives : The purpose of this study was to know the characteristics of Skin Resistance Variability(SRV) in the traffic accident patients prescribed Dangkisoo-san(Dangguixu-san). Methods : 65 traffic accident patients were selected from those who took the Skin Resistance Variability(SRV) test in Oriental Medical Hospital of Sang-Ji University from March 2007 to January 2008. The traffic accident patients were prescribed Dangkisoo-san(Dangguixu-san). Mean values of factor AA on skin resistance variability of the traffic accident patients were analyzed. Results and Conclusions : The mean values of electrodermal activity of preexamination was higher than those of postexamination in all areas except 3 area in 2nd measurement. In most cases, the gap of electrodermal activity between preexamination and postexamination within the female group was higher than those of the male group. In most cases, the gap of electrodermal activity between preexamination and postexamination within the more than 21 days group was higher than those of the 20days and less group. In most cases, the gap of electrodermal activity between preexamination and postexamination within the 36 years old group was higher than those of the 35years old and less group. Dangkisoo-san(Dangguixu-san) will be more effective for acute and strong traffic accident patients than chronic and weak traffic accident patients. So, further studies will be needed.

Development of Accident Model by Traffic Violation Type in Korea 4-legged Circular Intersections (국내 4지 원형교차로 법규위반별 사고모형 개발)

  • Park, Byung Ho;Kim, Kyeong Yong
    • Journal of the Korean Society of Safety
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    • v.30 no.2
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    • pp.70-76
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    • 2015
  • This study deals with the traffic accident of circular intersections. The purpose of the study is to develop the accident models by traffic violation type. In pursuing the above, this study gives particular attention to analyzing various factors that influence traffic accident and developing such the optimal models as Poisson and Negative binomial regression models. The main results are the followings. First, 4 negative binomial models which were statistically significant were developed. This was because the over-dispersion coefficients had a value greater than 1.96. Second, the common variables in these models were not adopted. The specific variables by model were analyzed to be traffic volume, conflicting ratio, number of circulatory lane, width of circulatory lane, number of traffic island by access road, number of reduction facility, feature of central island and crosswalk.

A Study on Level of Safety Awareness and Disaster Prevention Measures According to Driver's Characteristic (운전자 특성에 따른 안전 의식 수준과 재해예방 대책에 대한 연구)

  • Lee, Man-Soo
    • Journal of the Korea Safety Management & Science
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    • v.15 no.4
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    • pp.131-136
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    • 2013
  • Automobile was first introduced in 1903 in South Korea, the masses of the car was carried out rapidly compared to other countries. However, many people were killed in a traffic accidents and economic loss was occurred due to the spread of the automobile. In South Korea, 2012, traffic accident occurred 223,656 times, 5,392 fatality, 344,565 injured people. In the last five years, about 224,000 accidents per year were occurring. In other words, 610 traffic accidents occur and about 15 people pass away in one day. In addition, the proportion of traffic accidents is first place in the OECD countries and it is very high in the world. Understand occurrence tendency of traffic accident, accident frequency rate of the driver who drives more than 10 years was higher than the novice driver. In addition, as a result of examining the cause of the traffic accident, breach of safe driving obligation appears highest case (125,391 times), and followed by signal violation, break safety distance. Therefore, the majority of traffic accidents occurred by the lack of safety awareness of the driver. In this study, prevent the loss of human life and property in traffic disaster, by establish disaster prevention measures that investigated by questionnaire survey and statistical data of the state of consciousness and driving posture in response to the driving history of the driver.

A Study on the Development of Traffic Accident Information System Based on WebGIS (WebGIS 기반 교통사고정보관리 시스템 개발에 관한 연구)

  • Jeong, Su-Jin;Lim, Seung-Hyeon;Cho, Gi-Sung
    • Journal of The Korean Society of Civil Engineers
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    • v.26 no.6D
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    • pp.1003-1010
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    • 2006
  • This study developed a traffic accident information management system based on WebGIS that can process a lot of data for giving effectively diagnosis of traffic accidents in serious damage circumstances by traffic accident. Also, this study presents a way to compose and to convey traffic accident information. In addition, non-spatial attributes as well as spatial attributes about traffic accidents information be integrated and managed by the system. To provide Web service, we developed modules that can supply visually spatial information and traffic accidents data through ASP, Javascript, ArcIMS based on Web and constructed a server. And constructed system include a function that offer the now situation of traffic accident in real time, which supply the statistical data of traffic accident through Web as soon as user entry data in comparison with previous way that preparatory period until traffic accidents data is supplied to peoples had been long. Traffic accidents are analyzed with only nonspatial attribute by simply collecting in the past. However, system constructed by this study offer new function that can grasp visually accident spot circumstance and use detailed content and accurate location data as well as statistical data of traffic accidents. Also, it offer interface that can connect directly with accident charge policeman.

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