2004 Fiscal Year Final Research Report Summary
Comparative Study on Sustainable Urban Transport Strategies by Structural and Psychological Methods
| Project/Area Number |
14550525
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
交通工学・国土計画
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| Research Institution | Nagaoka University of Technology |
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Principal Investigator |
MATSUMOTO Shoji Nagaoka University of Technology, Faculty of Engineering, Professor, 工学部, 教授 (80115120)
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| Co-Investigator(Kenkyū-buntansha) |
SANO Kazushi Nagaoka University of Technology, Faculty of Engineering, Associate Professor, 工学部, 助教授 (00215881)
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| Project Period (FY) |
2002 – 2004
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| Keywords | Sustainable urban transport / Bus transport priority / Stated-preference data / Developing countries / Social dilemmas / Multiagent simulation |
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| Research Abstract |
1.Travel mode choice of commuters between private vehicle and public transit represents a conflict known as a social dilemma. While TDM strategies to cope with social dilemmas assume to affect people's travel decision, the acceptance of TDM measures is influenced by the psychological factor of environmental concern and awareness. The research focuses on the acceptability of bus priority measures and presents an integrated choice and latent variable model. We conducted case studies in two local cities of Niigata, Japan and Yogyakarta, Indonesia to compare the importance of psychological factors affecting mode choice between private car and bus.
2.In Niigata, Japan, the study focused employees working in the central area and commuting by car from the suburban areas. A path diagram of the structural equation model (SEM) shows that promotion of fundamental environmental concern as well as reflection on the impact of automobile dependency is required to accept bus priority measures. The integrated choice and latent variable model reveals that attitudinal and awareness promotion of bus priority contributes to modal shift into bus.
3.In Yogyakarta, Indonesia, the study also focused on employees and students living in the suburbs and commuting to the central area by car. Its SEM reveals that fundamental environmental concern influences neither on the expectation of modal shift, nor on the justice and endurance of bus priority measures. Psychological factors such as environmental concern and acceptance of bus priority measures do not influence on modal choice.
4.Next research attempts to apply an agent-based approach to modeling travel mode choice. The model reveals conditions that make cooperation as a possible outcome. They are group-based interactions, limited information, and conformist transmission. Emergent phenomenon of the system may favor cooperation and resolve the dilemma of travel mode choice, if a strong conformist transmission presents.
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