1997 Fiscal Year Final Research Report Summary
Fundamental Research on the Feasibility and Evaluation of Employer-based Transportation Demand Management
| Project/Area Number |
08650621
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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, Department of Civil and Environmental Engineering, Professor, 工学部, 教授 (80115120)
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| Co-Investigator(Kenkyū-buntansha) |
SANO Kazushi Nagaoka University of Technology, Department of Civil and Environmental Engineer, 工学部, 助教授 (00215881)
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| Project Period (FY) |
1996 – 1997
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| Keywords | TDM / commuting trips / mode choice / trip assignment / stated preference data |
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| Research Abstract |
The Transportation Demand Management (TDM) policy developed in the U.S.A which is often called as employer-based TDM aims to make change the travel behavior of employee providing them various incentives and disincentives. TDM policy was introduced into Japan early 1990's, but employer-based TDM has not yet fully developed, and commuters' ridesharing is not recognized as a feasible options in Japan.
This research aims to find a possibility of travel mode change for commuters from driving alone into public transit or ridesharing on condition that TDM measures are provided for a local city of Nagaoka. We apply to the Conjoint Analysis using, Stated Preference (SP) data to estimate individual parameters. By simulating mode change of an individual using a micro-simulation method, we eatimate hourly car OD tables assuming that a package of TDM measures are introduced and implemented. Finally, the hourly OD tables are assigned to the road network in the Nagaoka region.
In case TDM charges employees'parking at their office, 10 per cent of commuters change their mode from driving alone to public buses during 7 to 8 AM,resulting in 7 per cent reduction of the whole traffic and 17 per cent reduction in maximum of river-crossing traffic. In case TDM provides ridesharing systems and charges employees'parking at their office, 17 per cent of commuters change their mode from driving alone to ridesharing during 7 to 8 AM,resulting in 5 per cent reduction of the whole traffic and 14 per cent reduction in maximum of river-crossing traffic. These results reveal that employer-based ridesharing systems should be established by priority to promote TDM measures.
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Research Products
(6 results)
