期刊
TRANSPORTATION RESEARCH PART B-METHODOLOGICAL
卷 106, 期 -, 页码 52-75出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trb.2017.10.014
关键词
Capacity drop; LWR model; First-order traffic flow models; Model calibration
类别
资金
- European Research Council under the European Union [321132, TRAMAN21]
- European Research Council (ERC) [321132] Funding Source: European Research Council (ERC)
First-order traffic flow models of the LWR (Lighthill-Whitham-Richards) type are known for their simplicity and computational efficiency and have, for this reason, been widely used for various traffic engineering tasks. However, these first-order models are not able to reproduce significant traffic phenomena of great interest, such as the capacity drop and stop-and-go waves. This paper presents an overview of modeling approaches, which introduce the ability to reflect the capacity-drop phenomenon into discretized LWR-type first order traffic flow models; and also proposes a new approach. The background and main characteristics of each approach are analyzed with particular emphasis on the practical applicability of such models for traffic simulation, management and control. The presented modeling approaches are tested and validated using real data from a motorway network in the U.K. (C) 2017 Elsevier Ltd. All rights reserved.
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