The Journal of The Korea Institute of Intelligent Transport Systems (한국ITS학회 논문지)

The Korea Institute of Intelligent Transport Systems (한국ITS학회)
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Effect of Attitudinal Factors on Stated Preference of Low-carbon Transportation Services

개인성향 요인이 탄소저감형 교통서비스 잠재선호에 미치는 영향에 관한 연구

  • Yoonhee Lee (Transportation Operation Division, Seoul Metropolitan Government) ;
  • Gyeongjae Lee (Dept. of Urban Planning, Univ. of Hongik) ;
  • Sangho Choo (Dept. of Urban Design and Planning, Univ. of Hongik)
  • 이윤희 (서울특별시 교통운영과) ;
  • 이경재 (홍익대학교 도시계획과) ;
  • 추상호 (홍익대학교 도시공학과)
  • Received : 2023.10.24
  • Accepted : 2023.11.13
  • Published : 2023.12.31
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Abstract

In response to the growing global concern for the environment, the international community has recently committed to achieving 'carbon neutrality.' As a result, numerous studies have been conducted on mode choice models that include carbon emissions as a variable. However, few studies have established a correlation between individual preferences and carbon emissions. In this study, a new mode of transportation named sustainable public transit (SPT), incorporating carbon-reducing transport options like electric scooters, is proposed. Analyzing the individual preferences of commuters on carbon emissions through factor analysis, a stated preference (SP) survey was conducted. A mode choice model for SPT was constructed using multinomial logit models. The results of the analysis showed that gender, income, and specific preferences, such as a passion for exploring new routes, a preference for intermodal transfers, knowledge of carbon reduction, and carbon reduction practices, significantly influence latent preferences for SPT. Therefore, this study is significant as it considers carbon emissions as an attribute variable during the construction of mode choice models and reflects the individual preference variables associated with carbon reduction.

최근 전세계적으로 환경에 대한 관심이 커지고, 국제사회가 '탄소중립'을 선언하면서 '탄소'를 고려한 다양한 수단선택모형 연구가 실시되고 있으나, 탄소에 대한 개인성향을 반영한 연구는 미비한 실정이다. 따라서, 본 연구에서는 탄소저감형 이동수단(전동킥보드 등)을 포함한 대중교통 서비스로 SPT(Sustainable Public Transit)라는 새로운 수단을 제시하고, 수도권 통근자를 대상으로 실시한 SP(Stated Preference)조사를 활용하여 요인분석을 통해 응답자의 탄소에 대한 개인성향을 분석한 후, 다항로짓모형을 활용하여 SPT에 대한 수단선택모형을 구축하였다. 분석 결과, SPT 잠재선호에 영향을 미치는 요인으로 성별, 소득, 개인성향('새로운경로 탐색에 대한 열정', '수단간 환승 선호', '탄소저감지식', '탄소저감실천') 변수가 유의한 것으로 나타났다. 따라서, 본 연구는 수단선택모형 구축시 수단의 속성변수로 탄소배출량을 선정하거나, 탄소저감과 관련한 개인성향 변수를 구축했다는 부분에서 의의가 있다.

Keywords

Acknowledgement

본 연구는 국토교통부/국토교통과학기술진흥원의 지원으로 수행되었으며(과제번호 RS-2023-00245871), 2022년 석사 학위논문을 수정.보완함

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