한국안전학회지 (Journal of the Korean Society of Safety)

  • 제34권2호
  • /
  • Pages.56-62
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  • 2019
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  • 1738-3803(pISSN)
  • /
  • 2383-9953(eISSN)
한국안전학회 (The Korean Society of Safety)
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동영상식 VMS로 사전정보제공시 터널 내 2차사고 감소효과에 관한 연구

Effect of Prior Information Given by Video type VMS on Reduction of Secondary Accidents in Tunnels

  • 신소명 (서울시립대학교 교통공학과) ;
  • 이수범 (서울시립대학교 교통공학과) ;
  • 김형규 (서울시립대학교 교통공학과) ;
  • 박민재 (서울시립대학교 교통공학과) ;
  • 김경태 ((주)삼보기술단)
  • Shin, So Myoung (Department of Transportation Engineering, University of Seoul) ;
  • Lee, Soo Beom (Department of Transportation Engineering, University of Seoul) ;
  • Kim, Hyung Kyu (Department of Transportation Engineering, University of Seoul) ;
  • Park, Min Jai (Department of Transportation Engineering, University of Seoul) ;
  • Kim, Kyoung Tae (Sambo Engineering CO., LTD.)
  • 투고 : 2019.01.16
  • 심사 : 2019.03.26
  • 발행 : 2019.04.30
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초록

Secondary accident is common type of accident which occurs in Korean highway tunnels. Fatality rate of secondary accidents in highway tunnels is six time higher than primary accidents. Video type VMS is a new way of providing information to road users which was recently introduced by Korean government to prevent secondary accidents in highway tunnels. In this study we compared changes in driver's behavior when information is provided by Text type and Video Type VMS. In addition to analyze effects of secondary accident reduction, driving behavior was analyzed based on providing advance information by video type VMS at tunnel entrance. Analysis showed that both text type and video type VMS has similar effect on driver behavior. Video type VMS showed positive effect on driver's behavior to prevent secondary accident when information is provided 1km ahead of accident. Considering there results and the short-term memory characteristics of driver, it was determined that information should be provide at about 650m from the entrance of the tunnel. The results of this study are consistent with the requirement that VMS should be installed at least 500m ahead of tunnel and produce more accurate providing information points. 650m is also appropriate interval for providing information in tunnel to cope with an accident ahead.

키워드

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Fig. 1. Process of study.

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Fig. 2. Tunnel entrance on the map of driving simulator.

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Fig. 3. Scenario for reduction effect of secondary accidents.

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Fig. 4. Driving simulation used in this study.

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Fig. 5. Comparison of average driving speed between text type VMS and video type VMS.

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Fig. 6. Average driving speed (Test 1).

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Fig. 7. Average driving speed (Test 2).

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Fig. 8. Average driving speed (Test 3).

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Fig. 9. Average distance from accident spot to lane change spot.

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Fig. 10. Average brake power.

Table 1. Analysis of average driving speed between text type VMS AND Video type VMS

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Table 2. Analysis of point of lane change between text type VMS AND Video type VMS

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Table 3. Analysis of brake power between text type VMS AND Video type VMS

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Table 4. Analysis of average driving speed of experiment

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Table 5. Analysis result of distance from the accident spot to the lane change spot by experiment

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Table 6. Analysis of average brake power of experiment

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Table 7. Analysis result of traffic safety impacts

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