Journal
TRANSPORTATION RESEARCH PART B-METHODOLOGICAL
Volume 126, Issue -, Pages 391-413Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trb.2018.04.002
Keywords
Network throughput; Macroscopic fundamental diagram; Network exit function; Dynamic user equilibrium; Equilibrium paradox; Network signal control
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Funding
- Kajima Foundation
- JSPS KAKENHI [15H04053, 16H02368]
- Grants-in-Aid for Scientific Research [15H04053, 16H02368, 17H03320] Funding Source: KAKEN
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This study aims to analyze the relationship between a macroscopic fundamental diagram (MFD), which relates vehicle accumulation with throughput at the network level, and the spatial distribution of congestion (congestion pattern) in a general network with one-to-many origin-destination demands. In particular, we clarify the causes of a decreasing branch of MFDs and the influence of local signal controls on the (global) network throughput. For this aim, we present a new inverse problem of the dynamic user equilibrium assignment by using a periodic boundary condition, and an analytical formula of the network throughput for a fixed accumulation is derived by solving it. This enables us to incorporate the effects of network configurations and route choice behaviors into the analysis of the network throughput. By conducting a sensitivity analysis of this formula, we identify the types of congestion patterns that cause the decrease in the network throughput and examine a network signal control for improving network performance. (C) 2018 Elsevier Ltd. All rights reserved.
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