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도로포장의 생애주기비용 분석을 위한 장기 교통수요 추정

Traffic Demand Forecasting Method for LCCA of Pavement Section

  • 투고 : 2013.04.11
  • 심사 : 2013.06.18
  • 발행 : 2013.09.30

초록

기존의 포장관리를 위한 장래 교통수요의 추정에는 객관적인 방법에 의한 장래 교통수요의 추정이라기보다는 과거 추세(trends)나 분석가의 주관적인 판단에 의해 이루어졌다고 할 수 있으며, 새로운 도로의 신설 및 우회도로의 계획 등 대상 지역의 장래 도로 및 지역개발 계획을 전혀 고려하지 못한 교통수요의 추정이 이루어졌다고 할 수 있다. 본 연구에서는 보다 객관적이며 정도 높은 국도의 유지관리를 위한 의사결정지원시스템(decision-making support system)의 구축을 위한 기초연구로써 장래 포장의 공용성에 큰 영향을 미치는 장기 교통수요 예측의 중요성을 살펴보고 기존 교통수요 추정 방식과의 비교를 위한 기준(baseline) 수요를 산정하기 위해 EMME(Equilibre multimodal, Multimodal Equilibrium)를 이용하여 4단계 교통수요 추정 방법에 따라 장래 교통수요를 예측하는 방안을 제시하였다. 사례연구를 위해 본 연구에서는 대전지방국토관리청 관할의 일부 지역을 대상으로 교통수요 추정방안별 비교를 수행하였으며, 기존의 수요추정 방법과 본 연구에서 제시한 장래 지역개발계획과 도로의 신설 및 확장계획 등을 고려한 교통수요 추정방법과는 교통량의 수요뿐만 아니라 관리자비용 및 이용자비용의 수준에도 큰 괴리가 있음을 확인하였다.

Traffic demand forecasting for pavement management in the present can be estimated using the past trends or subjective judgement of experts instead of objective methods. Also future road plans and local development plans of a target region, for example new road constructions and detour plans cannot be considered for the estimate of future traffic demands. This study, which is the fundamental research for developing objective and accurate decision-making support system of maintenance management for the national highway, proposed the methodology to predict future traffic demands according to 4-step traffic forecasting method using EMME in order to examine significance of future traffic demands affecting pavement deterioration trends and compare existing traffic demand forecasting methods. For the case study, this study conducted the comparison of traffic demand forecasting methods targeting Daejeon Regional Construction and Management Administration. Therefore, this study figured out that the differences of traffic demands and the level of agent costs as well as user costs between existing traffic demand forecasting methods and proposed traffic demand forecasting method with considering future road plans and local development plan.

키워드

참고문헌

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피인용 문헌

  1. Road Maintenance Planning with Traffic Demand Forecasting vol.18, pp.3, 2016, https://doi.org/10.7855/IJHE.2016.18.3.047