International Journal of Highway Engineering (한국도로학회논문집)

Korean Society of Road Engineers (한국도로학회)
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Analysis of Travel Cost According to Transferring from Rotary to Roundabout in Korea

국내 로터리의 회전교차로 전환에 따른 통행비용 분석

  • Lim, Jin Kang (Department of Urban Engineering, Chungbuk National University) ;
  • Park, Byung Ho (Department of Urban Engineering, Chungbuk National University)
  • Received : 2014.05.07
  • Accepted : 2014.08.01
  • Published : 2014.10.16
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Abstract

PURPOSES : The goal of this study is to analyze the travel cost according to transferring from rotary to roundabout in Korea. METHODS : This study gives particular attentions to investigating the existing 48 rotaries in Korea and building the networks of before and after improvements using VISSIM, and analyzing their travel costs. RESULTS : The main results are as follows. First, from the field survey, the domestic rotaries were analyzed to need many improvements of geometric structure for the effective operation. Second, the difference of travel cost at 3-legged rotaries were evaluated to be less than other types of rotaries due to low traffic volume. Finally, the travel cost of 4-legged and multi-legged rotaries were analyzed to rapidly increase by increasing volume. CONCLUSIONS : This study analyzes the effects using both real and simulation data unlike the existing studies. Also, this study suggests the future research topics which compare and evaluate the relations between real data and simulation outputs.

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References

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