Analysis of variation in demand and performance of urban expressways using dynamic path flow estimation

Understanding the dynamic characteristics of traffic demand is a key issue in designing a more reliable transport network. Identifying variations in link flow is easy, but it is impossible to determine variations in demand directly from observed traffic data. In this study, demand fluctuation was an...

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Bibliographic Details
Published in:Transportmetrica 2011-01, Vol.7 (1), p.63-84
Main Authors: Kim, Jinyoung, Kurauchi, Fumitaka, Uno, Nobuhiro
Format: Article
Language:English
Subjects:
dynamic path flow estimation
road performance variation
Studies
Traffic control
traffic demand variation
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Summary:Understanding the dynamic characteristics of traffic demand is a key issue in designing a more reliable transport network. Identifying variations in link flow is easy, but it is impossible to determine variations in demand directly from observed traffic data. In this study, demand fluctuation was analysed using the dynamic path flow estimation method. Path flows were estimated using 1 year data from the Hanshin Expressway in Japan, and demand variations were analysed using the estimated results. This article also discusses the relationship between demand variations and external conditions such as weather and commercial practises. The results provide a valuable background for more detailed traffic control measures.
ISSN:1812-8602
1944-0987
DOI:10.1080/18128600903244685