• Title, Summary, Keyword: 횡단 행태

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An Analysis of Pedestrian Behavior at Crosswalks of Signalized Intersections (신호교차로 횡단보도 위치에 따른 보행자의 행태분석)

  • 신미영
    • Proceedings of the KOR-KST Conference
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    • pp.311-311
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    • 1998
  • 일반적으로 교차로에서의 보행자 사고는 대부분이 횡단보도에서나 횡단보도 주변에서 발생하는 것이 많다. 이것은 운전자의 안전의식부족뿐만 아니라 보행자들이 교통법규를 지키지 않기 때문이다. 교통사고는 운전자나 보행자를 막론하고 안전의식 수준 및 안전시설의 질적 수준과 밀접한 관련이 있다. 특히 횡단보도 위치와 관련한 정지선에 대한 기준이 없어서 횡단보도 전후에 정지선이 2개가 설치된 곳이 많아 차량간의 사고를 유발하고, 보행자는 보행동선을 단축하기 위해 횡단보도 주변횡단이라는 위험한 행태를 유발하지만 이에 대한 연구나 대안제시가 이루어지지 않고 있다. 본 연구는 요인분석법이란 다변량 통계기법을 통해서 사고기록과 형태자료를 분석하였다. 사고기록은 정지선이 2개에서 1개로 변경된 25개 교차로에 대한 보행자와 차량의 유형별, 위치별, 피해정도별 사고기록을 조사 분석하고 행태분석은 현재 정지선이 2개인 곳과 기하구조가 유사한 정지선 1개인 곳을 하나의 쌍으로 해서 모두 8쌍(16개의 교차로 횡단보도)를 조사 분석하였으며, 마지막으로 설문조사를 통해서 보행자의 교통법규 준수와 인식정도에 대한 조사를 통해 보행자들의 인식과 행태조사를 통한 교통법규 준수 정도를 알아보았다. 사고자료의 분석을 통해서 첫째, 정지선이 2개인 교차로는 교차로내 차량사고, 접근부의 후면 추돌사고, 횡단보도에서 보행자사고가, 둘째, 정지선이 1개인 교차로는 유출부 차량사고가 많은 것으로 나타났으며, 행태자료의 분석을 통해서는 첫째, 정지선이 2개인 곳은 횡단보도를 이탈 또는 진입하면서 횡단하는 보행자, 점멸신호에 횡단 시작하는 보행자의 행태와 보행자 신호에 횡단보도를 통과하는 차량, 둘째, 정지선이 1개일 때는 횡단보도를 침범해서 정지하는 차량, 도로에 내려서서 기다리는 보행자가 많은 것으로 나타났다. 마지막으로 설문조사와 행태조사를 종합하면, 보행자들의 인식으로는 약 71%의 응답자와 점멸신호의 의미를 알고, 전체 응답자의 약 58%가 점멸신호에 건너지 않고 기다린다는 응답(교통법규준수)을 했으며, 실제 행태에서는 약 12.4%가 위반하는 것(87.6% 법규준수)으로 나타났다. 보행자들이 응답한 것보다 실제 행태에서는 더 많은 보행자가 교통법규를 준수하는 것으로 나타났으며, 횡단보도를 이용하는데 있어서 횡단보도를 침범하는 차량과 신호시간이 적다는 의견이 많았다.

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A Study on Effectiveness of Safety Barriers Restraining Illegal Pedestrian Crossing on Exclusive Median Bus Corridor - Case Study at Sookmyung Women's University Bus Station - (중앙버스전용차로 분리형 횡단보도 무단횡단 억제시설 효과평가 - 숙명여대 입구 중앙버스정류소 횡단보도부를 중심으로 -)

  • Kim, Jin-Tae;Kim, Jun-Young;Bae, Hyun-Sik;Lee, Dong-Il
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.13 no.6
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    • pp.77-87
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    • 2014
  • It has reported that a median bus-stop island on an exclusive median bus lane (EMBL) has shortened a crossing distance unit, encouraged a pedestrian's illegal crossing, and increased the number of accidents in the area. This study presents (1) the analysis of inappropriate pedestrian crossing patterns collected on exclusive median bus corridors and (2) the estimated performance of safety barriers restraining the occurrence of those. Total 19,649 pedestrian crossing data collected at the 'Sookmyung-university' median bus-stop, and the inappropriate pedestrian crossing patterns among those were grouped in terms of time and space violations. Physical safety barriers restraining illegal pedestrian crossings were considered as an alternative, and its performance in safety was quantified through microscopic simulation with conflict analyses by using surrogate safety assessment model. The findings suggest the number of conflicts reduced be 24.9 percentages compared to the one of the present condition when the physical safety barriers are placed at each of the eight ends of the EMBL pedestrian crossing.

Development of Pedestrian Delay Model at Signalized Intersections (신호교차로 보행자 지체모형 개발)

  • Chang, Hyun-ho;Yoon, Byoung-jo
    • Journal of The Korean Society of Civil Engineers
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    • v.38 no.2
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    • pp.283-294
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    • 2018
  • An accurate pedestrian-delay model is essential for the pedestrian-oriented evaluation of signalized intersection (SI). The crossing behaviors of pedestrians at signalized pedestrian crosswalks (SPCs) are various, and their arrival behaviors consist of two types, random and platoon. It is natural, hence, that the behaviors of pedestrian crossing and arrival should be considered in order to estimate accurate pedestrian delay. Despite this necessity, a simple pedestrian-delay model that cannot explain these behaviors of pedestrian movements is still recommended in Highway Capacity Manual (HCM). For these reasons, a pedestrian-delay model, suitable for various SPCs and SIs, is required to make pedestrian-oriented decisions on the design and operation of various SPCs and SIs. This paper proposes a novel pedestrian-delay model that is based on the behaviors of pedestrian crossing and arrival. The proposed model consists of two sub models: the one for SPC and the other for SI. The SPC delay model was developed based on the behaviors of pedestrian crossing during pedestrian green time. The SI delay model was designed based on the behaviors of pedestrian crossing and platoon arrival. The results of a numerical simulation showed that the proposed delay model can successfully overcome the under- and overestimation problems of the HCM model with explaining various behaviors of pedestrian crossing and arrival.

Analysis on Pedestrian Behavior Focused on Waiting Time and Trial Frequency for Crossing in the Unsignalized Intersection (비신호 교차로에서 횡단 기다림 시간 및 시도횟수에 관한 보행행태 연구)

  • Jang, Tae Youn;Oh, Do-Hyoung
    • Journal of The Korean Society of Civil Engineers
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    • v.35 no.2
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    • pp.427-436
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    • 2015
  • This study analyzes the factors effecting on pedestrian crossing behavior in the unsignalized intersection. Pedestrian crossing behavior is the results of mental stress defined as a combination of environment perception, avoiding accidents, halting collision, and instant crossing decision. It is necessary to make walkable intersection in cities through relieving this stress influenced by personality, traffic condition, and roadway environment. The purpose of study is empirically to examine the crossing behavior such as crossing satisfaction, crossing trial frequency and waiting time based on various factors effecting on crossing intersection by video and questionnaire survey. The $x^2$-test is applied to analyze the characteristics of crossing trial frequency according to each factor. Also, the hazard rate model is established to find the factors effecting on waiting time for crossing. Finally, the direct and indirect effects on the pedestrian crossing satisfaction are presented as the results of LISREL.

A Study on Analyzing Children's Crossing Behaviors on Non-signalized Crosswalk (비신호 횡단보도에서의 어린이 횡단행태 분석 연구)

  • Lee, Deok Whan;Lee, Yun Suk;Kim, Won Ho;Lee, Back Jin
    • Journal of Korean Society of Transportation
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    • v.31 no.3
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    • pp.19-32
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    • 2013
  • The study aims to find the characteristics of children's crossing behavior on crosswalk in school zones. It considers accident occurrence and physical form of school zones. Seven elementary school zones were investigated. Using data collected by field observation and video recording, statistical analysis, CHAID algorithm analysis, and pattern analysis were performed. As a result, it was found that children's waiting, attention and distraction were related to the accident occurrence. While 69.1% children showed waiting-before-crossing behavior in low-accident occurrence crosswalk, 83.6% children showed non waiting-before-crossing behavior in high-accident occurrence crosswalk. Moreover, the ratio of waiting, attention behavior was found to be higher when the width of the crosswalk was wide and the distance from the school's entrance to the crosswalk was long. These research findings showed that children's behavior-oriented approach was required to improve safety in school zone.

Pedestrians and Drivers Behaviour Change by Installation of Crossing Safety Assistant System (횡단안전 지원시스템 설치에 따른 보행자, 운전자 통행행태 변화)

  • Jin, Min-Soo;Lee, Suk-Ki
    • The Journal of The Korea Institute of Intelligent Transport Systems
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    • v.15 no.3
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    • pp.85-93
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    • 2016
  • According to Traffic Accident Statistics, the fatalities of accident while crossing is over represented. So, more active safety countermeasure should be considered to reduce the frequency and degree of severity of pedestrian-crossing involved accidents. The study analyses the safety effects of the Crossing Safety Assistant System which is composed of Led-embedded crosswalk lightings, text displayer and audio waning device for the safety consciousness both pedestrian and vehicles at crosswalk area. Operating speed of vehicles is reduced with statistical significance, and the level of vigilance expressed by pedestrian head movement to check out the vehicle existence is improved.

An Investigation of Road Crossing Behaviour of Older Pedestrians at Unsignalized Crosswalk (무신호 단일로 횡단보도에서 고령 보행자의 횡단행태조사 및 분석)

  • JANG, Jeong Ah;KIM, Junghwa;CHOI, Keechoo
    • Journal of Korean Society of Transportation
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    • v.34 no.3
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    • pp.207-221
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    • 2016
  • In Korea, older pedestrian accounted for 57% of all pedestrian deaths although a ratio of older pedestrian accidents to total pedestrian accidents was only 25.9%. Though ageing population problem becomes more challenging for road safety, little is know about the behaviour of older pedestrian's behaviour. This study aimed to identify road crossing behaviour of older pedestrian at three-lane unsignalized crosswalks using video image analysis and to compare the behaviour of older pedestrian to younger one by indicators including approaching speed, the number of walking steps and other factors. The results showed that there was a difference of approaching time at kerb, waiting time at kerb, the number of glances at kerb, and the number of glances at crossing between two groups under the situation of car approaching to crosswalks. It also showed that older pedestrian usually spent 1.16 times more than younger pedestrian to walk across the crosswalk with only 84.4% of walking speed of younger pedestrian. The number of steps of older pedestrian for road crossing was 1.12 times higher with 90% shorter steps than younger pedestrian. It was concluded that older pedestrian usually decided to walk across in case of 1.67 times longer headway than younger pedestrian's decision. These results could be applied in road and facility design for better safety of older pedestrians.

Analysis on Pedestrian Crossing Illegal Behavior on Exclusive Median Bus Corridor: A Cace Study of Express Bus Terminal Station (중앙버스전용차로 횡단보도 보행 위반행태 분석: 고속버스터미널역 사례 분석)

  • Lee, Dong-Il;Kim, Jin Tae;Kim, Jun-Yong;Bae, Hyun-Sik
    • Journal of Korean Society of Transportation
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    • v.33 no.2
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    • pp.136-144
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    • 2015
  • It has reported that a median bus-stop island on an exclusive median bus corridor has shortened a unit crossing distance, encouraged a pedestrian's illegal jay walking, and thus increased the number of accidents in the area. Therefore, this study plans to analyze the various crossing patterns of pedestrians at exclusive median bus corridors. This study analyzes 30,184 pedestrian crossing data which are collected from the median bus-stops, 'Express Bus Terminal,' and reveals that the rate of spatial jaywalking was 37.8%. This rate is 11.1 times higher than the rate of traffic signal violation. Therefore, this study suggests that more research needs to be done to provide a traffic safety facilities for protecting spatial crossing pedestrians and preventing jaywalking and traffic signal violation.

Road Safety Message Providing Methodology for Considering the Elderly Walking Behavior (고령자 보행행태를 고려한 상충위험정보 제공방법 설계)

  • Jang, Jeong-Ah;Cho, Woong
    • The Journal of the Korea institute of electronic communication sciences
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    • v.12 no.1
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    • pp.9-16
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    • 2017
  • In this paper, we introduce a warning message providing methodology by considering the elderly's walking behavior in V2P(: Vehicle-to-Pedestrian) communication systems. Using the elderly's accident records in Kyounggi-do area from 2011 to 2014, the elderly's accident behaviors are analyzed by categorizing accidents as road type (single road/ crossing road), existence of traffic signal (with signal/ without signal), existence of crosswalk (crosswalk/ jaywalk), cause of accident (jaywalk/ signal violation/ carelessness accident/ Etc.). In addition, the elderly's behavior variable and vehicle speed are applied, then some threshold values are utilized in a warning message providing in conflict area. Finally, we propose a distance which can protect an accident depending on the elderly's walking speed, safety margin and vehicle speed. By applying the results of this research to the V2P/P2V communication based road safety message providing system with the elderly's walking behavior, it may be helpful to reduce accident rate of the elderly.