1997 Fiscal Year Final Research Report Summary
Improvement of Road Network Reliability with Traffic Management
| Project/Area Number |
07455207
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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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 | MEIJO UNIVERSITY |
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Principal Investigator |
WAKABAYASHI Hiroshi Faculty of Urban Science, MEIJO UNIVERSITY,Professor, 都市情報学部, 教授 (00135542)
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| Project Period (FY) |
1995 – 1997
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| Keywords | Reliability, / Highway Network, / Reliability Analysis, / Crisis Management, / Traffic Management, / Mitigation of Disaster / 災害時の交通管理運用 |
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| Research Abstract |
For traffic management and new road construction, the road planning procedure requires indicators of present road network performance level for explaining the convenience derived from the new traffic management and the construction of new roads. The conventional indicators are quantitative or static such as the total length of road per unit area or average travel time. Now a new indicator reflecting the quality of a road network and steadiness of its performance is required.
This study proposes the reliability of road networks as a new indicator for road network management and construction. First, the significance of road network reliability and the benefits of increasing reliability are discussed. Next, methods for estimating terminal reliability and link reliability are studied. In addition, the propagation mechanism of OD flow variation to link flow variation is clarified. Finally, reliability analyzes before and after the introduction of traffic management are studied for an actual road network.
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[Publications] Hiroshi Wakabayashi: "Reliability Assessment and Importance Analysis of Kobe Highway Network" Proceedings 5th United States/Japan Workshop on Urban Earthquake Hazard Reduction, Recovery and Reconstruction from Recent Earthquakes, (Plenary Presentation Papers and Expanded Abstracts, January 15-17,1997, Doubletree Hotel, Pasadena, California), 305-308, Publication No.97-A,August 1997. Earthquake Engineering Research Institute (U.S) and Institute of Social Safety Science (Japan). (Founded by the National Science Foundation).
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