• 제목/요약/키워드: traffic Safety

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회전교차로 도입에 따른 교통안전성 향상 효과분석 (An Analysis of Safety Improvement Effects on Roundabouts)

  • 이동민;전진우;박용진
    • 한국도로학회논문집
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    • 제17권3호
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    • pp.133-141
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    • 2015
  • PURPOSES : This study dealt with traffic accidents occurring within roundabouts. The objective of this study was to analyze safety effect by introduction of roundabouts. METHODS : In pursuing the above, traffic accident data on roundabouts are collected and compared. For the analysis, collected data were separated as all intersection points, turning lane accident, approach lane accident by geometric design. RESULTS : Through the study results, it was found that the total accidents decreased by 55 accidents/2 year with safety effect of roundabouts. Also the result shows that accidents by point of two-lane roundabout at turning lane(0.26) and approach lane(0.27) is risky than total accidents by point(0.09). Moreover, accidents by point shows high value as diameter of a roundabout is bigger. CONCLUSIONS : When a roundabout is introduced at the intersections there are safety effects by reduction of traffic accidents.

사고잦은곳 개선사업의 안전성과 모형 (Safety Performance Models of Improvement Projects of Frequent Traffic Accident Locations)

  • 박병호;박길수;김태영
    • 한국안전학회지
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    • 제25권2호
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    • pp.89-94
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    • 2010
  • This study deals with the traffic accident according to the improvement projects of frequent accident locations. The objective is to analyze the impact of improvements on the accident reduction. In pursuing the above, the study gives the particular attentions to developing the models based on the data of 70 intersections improved. The main results analyzed are as follows. First, 4 multiple linear regression accident models(total, side right-angle, rear end and side stripe accident) which were statistically significant were developed. Second, total accidents reduction by sight-distance and turning traffic flow improvements, side right-angle by sight-distance, over-speed and lane operation, rear end by turning traffic flow, signal and lane operation, and side stripe by traffic impedance improvements were analyzed. Finally, the above 4 models were evaluated to be statically significant through the correlation analysis and pair-sample t-test.

Traffic Safety Analysis in Mombasa Channel: Integrating Ferry Crossings and Main Transit

  • Wamugi Juliet Wangui;Young-Soo Park;Sangwon Park;Daewon Kim
    • 한국항해항만학회지
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    • 제48권2호
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    • pp.88-96
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    • 2024
  • This study examined challenges posed by two ferry routes, namely, Likoni and Mtongwe crossings, in the Mombasa Channel and their impact on navigational safety. Utilizing the Environmental Stress (ES) model, this study analyzed current ship traffic and assessed stress levels imposed by ferry crossing traffic on navigators. ES values revealed significant stress at these ferry crossings attributed to varying transit speeds. Standardizing transit speeds at two ferry passages can reduce high stress levels, presenting a viable solution. Furthermore, the IWRAP Mk2 simulation underscores crossing collisions as a significant concern, particularly at Likoni and Mtongwe crossings, due to increased ferry traffic. This research offers valuable insights for stakeholders, such as the Kenya Ports Authority (KPA), to develop targeted safety measures and enhance the flow of ship traffic in the channel.

학교주변 어린이보호구역 안전실태 사례조사 연구 (A Case Study on the Safety of School Zones)

  • 김은주
    • 한국학교ㆍ지역보건교육학회지
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    • 제9권1호
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    • pp.115-126
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    • 2008
  • Backgrounds: The objective of school zones was to define protective areas and to keep children vulnerable to traffic accidents from the risk. The current "Rules on the Designation and Management of School Zones" included provisions on the installation of traffic safety facilities and road facilities, but they were not sufficient for children's traffic safety and there were many difficulties in applying standards to the fields. Purposes: With these problems to be solved, the present study surveyed the current state of safety facilities in school footpaths and school zones around elementary schools and suggested plans to improve them. This study studied various factors like the physical environment and the safety facilities in the school zone. Methods: The present researcher visited four elementary schools selected for this study, and surveyed safety facilities in the school zones around the elementary schools using a schedule prepared by the researcher. Results: According to the results of the case study, all of the four schools were designated as school zones, but the designation appeared nominal without sufficient safety facilities that can ensure children's safety. Based on the results of the survey, suggestions were made to improve traffic facilities in school zones and school footpaths as well as safety guidance.

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교통섬 설치가 보행자 교통사고에 미치는 영향 연구 (The Influence of Traffic Islands on Pedestrian Safety)

  • 이수범;김명숙;장일준;김장욱
    • 대한교통학회지
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    • 제27권2호
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    • pp.107-115
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    • 2009
  • 교통섬은 차량과 보행자를 안전하고 질서있게 이동시킬 목적으로 설치하며, 상충하는 교통류를 분리하거나 보행자 대피를 위하여 설치한 차로간의 특정구역이다. 기존의 연구문헌이나 설치기준을 살펴보면 설치목적과 설치효과만 언급하고 있을 뿐 교통섬의 설치여부에 따른 안전성 판단기준이 없는 실정이다. 본 연구에서는 도시부 교차로의 도로조건, 교통조건, 교통사고 자료 등을 분석하여 사고발생여부와 관련성이 높은 변수를 선정하고, 그 변수들과 교차로 보행자 교통사고 발생 여부를 이용하여 로짓모형을 통해 보행자 교통사고 확률모형을 구축하였다. 또한 교차로 설계시 교통량과 교차로 크기에 따른 보행자 교통사고 발생확률을 분석하여 교통섬 설치효과를 보행자 안전측면에서 제시하였다. 분석결과 큰 교차로에서 교통량이 많은 경우 교통섬으로 인해 보행자 교통사고가 발생할 확률이 높은 것으로 나타났으며, 큰 교차로에서 교통량이 적은 경우 교통섬으로 인해 보행자 교통사고 발생확률이 적은 것으로 분석되었다. 이는 교통섬 설치로 인해 모든 교차로에서 보행자가 안전성이 향상되는 것은 아니기 때문에, 교통섬 설치시 보행자 안전 측면을 고려한 설계 및 운영이 필요한 것으로 사료된다.

고령사회를 대비한 노인운전자 교통사고 특성 및 저감방안 -제주지역을 중심으로- (The Characteristics of Traffic Accidents and Reduction Methods by Elderly Drivers to Prepare for the Aging Society -Focused on Jeju-)

  • 김경범
    • 한국콘텐츠학회논문지
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    • 제14권7호
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    • pp.151-160
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    • 2014
  • 본 연구의 목적은 노인운전자의 교통사고 유형과 특성 등을 분석하여 교통사고 저감방안을 도출하고, 향후 노인을 위한 실제적인 교통안전정책의 방향 수립에 있다. 노인운전자의 교통사고 실태를 분석한 결과, 노인운전자에 의한 교통사고는 조명시설 등 교통안전시설물 설치가 열악한 도시 외곽지역인 지방도에서 빈번하게 발생하고 있으며, 가장 많이 발생하는 시간대는 18~20시 사이로 태양빛이 사라지고 어둠이 드리우는 일몰시간대로 나타났다. 안전운전의무 불이행과 같은 주의력 부족에 의한 교통사고가 많이 발생하였다. 노인운전자에 의한 교통사고 감소뿐만 아니라 우리 사회 전체의 안전을 위해서는 교통약자인 노인을 배려하는 법제도의 개선과 지역특성을 고려한 도로안전시설물 등의 정비가 필요하며, 신체적 능력이 저하된 노인운전자는 자신 스스로가 자신의 운전능력을 의심하고 테스트할 수 있는 신뢰 기재인 면허갱신제도 등에 의한 테스트와 대체교통수단 이용을 통한 직접 운전수요를 감소시키려는 노력이 필요하다.

첨단안전장치 장착 버스의 사고사례 분석 (Analysis for Traffic Accident of the Bus with Advanced Driver Assistance System (ADAS))

  • 박종진;최영수;박정만
    • 자동차안전학회지
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    • 제13권3호
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    • pp.78-85
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    • 2021
  • Recently a traffic accident of heavy duty vehicles under the mandatory installation of ADAS (Advanced Driver Assistance System) is often reported in the media. Heavy duty vehicle accidents are normally occurring a high number of passenger's injury. According to report of Insurance Institute for Highway Safety, FCW (Forward Collision Warning) and AEB (Automatic Emergency Braking) were associated with a statistically significant 12% reduction in the rate of police-reportable crashes per vehicle miles traveled, and a significant 41% reduction in the rear-end crash rate of large trucks. Also many countries around the world, including Korea, are studying the effects of ADAS installation on accident reduction. Traffic accident statistics of passenger vehicle for business purpose in TMACS (Traffic safety information Management Complex System in Korea) tends to remarkably reduce the number of deaths due to the accident (2017(211), 2018(170), 2019(139)), but the number of traffic accidents (2017(8,939), 2018(9,181), 2019(10,095)) increases. In this paper, it is introduced a traffic accident case that could lead to high injury traffic accidents by being equipped with AEB in a bus. AEB reduces accidents and damage in general but malfunction of AEB could occur severe accident. Therefore, proper education is required to use AEB system, simply instead of focusing on developing and installing AEB to prevent traffic accidents. Traffic accident of AEB equipped vehicle may arise a new dispute between a driver's fault and vehicle defect. It is highly recommended to regulate an advanced event data recorder system.

교통소통과 안전 특성을 결합한 교통상황 모니터링 지표 개발 (Development of Traffic Situation Integrated Monitoring Indicators Combining Traffic and Safety Characteristics)

  • 주영빈;채준병;황재성;이철기;이상수
    • 한국ITS학회 논문지
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    • 제23권1호
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    • pp.13-25
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    • 2024
  • 교통관리에서 교통상황을 판단하는 판단지표의 중요성과 필요성은 계속해서 높아지고 있다. 기존 교통상황 판단지표들은 속도, 교통량, 밀도 기반으로 각각의 특성에 맞춰 개발되었지만, 속성별 가지는 문제점과 종합적인 상황을 보여줄 수 없어 모니터링 지표로는 적합하지 않았다. 이에 본 연구에서는 도로 소통상황과 안전도를 판단하는 지표들을 통합하여 모니터링에 적합한 통합지표 개발을 목표로 하였다. 교통상황의 변화를 판단할 수 있고 안전도를 판단할 수 있는 지표들을 검토하고 실시간 ITS 데이터를 적용할 수 있도록 지표를 재정립하였다. 요인분석을 통해 지표 간 관계성을 분석하여 가중치를 도출한 뒤 하나의 통합지표를 개발하였다. 통합지표는 교통상황의 변화와 안전도의 변화를 보여줄 수 있는 지표로 향후 교통정보센터에 적용하여 종합적인 교통상황을 모니터링할 수 있는 교통환경으로의 발전에 기여할 수 있을 것이다.

Assessment of ride safety based on the wind-traffic-pavement-bridge coupled vibration

  • Yin, Xinfeng;Liu, Yang;Chen, S.R.
    • Wind and Structures
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    • 제24권3호
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    • pp.287-306
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    • 2017
  • In the present study, a new assessment simulation of ride safety based on a new wind-traffic-pavement-bridge coupled vibration system is developed considering stochastic characteristics of traffic flow and bridge surface. Compared to existing simulation models, the new assessment simulation focuses on introducing the more realistic three-dimensional vehicle model, stochastic characteristics of traffic, vehicle accident criteria, and bridge surface conditions. A three-dimensional vehicle model with 24 degrees-of-freedoms (DOFs) is presented. A cellular automaton (CA) model and the surface roughness are introduced. The bridge deck pavement is modeled as a boundless Euler-Bernoulli beam supported on the Kelvin model. The wind-traffic-pavement-bridge coupled equations are established by combining the equations of both the vehicles in traffic, pavement, and bridge using the displacement and interaction force relationship at the patch contact. The numerical simulation shows that the proposed method can simulate rationally useful assessment and prevention information for traffic, and define appropriate safe driving speed limits for vulnerable vehicles under normal traffic and bridge surface conditions.