Sixth International Conference on Transportation Engineering
Freeway Traffic Control in the Presence of Capacity Drop
Publication: ICTE 2019
ABSTRACT
Capacity drop at congested freeway bottlenecks is well known with a lot of field observations. This paper addresses coordinated ramp metering and mainstream traffic flow control (MTFC) on freeways with capacity drop. The two control measures were first checked with respect to active bottlenecks with capacity drop. It was illustrated that the significance and usefulness of the control measures are very much justified by the presence of capacity drop in field. Coordinated ramp metering, MTFC, and their integration were formulated in an optimal control framework. It was demonstrated via macroscopic simulation studies that an appropriate usage of the control measures can effectively prevent the activation of potential bottlenecks on freeways and hence avoid capacity drop there.
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ACKNOWLEDGEMENT
This research was supported in part by the National Natural Science Foundation of China (project number: 71771200) and the National Key R&D Program of China (project number: 2018YFB1600504; SQ2017YFGH002145).
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Information & Authors
Information
Published In
ICTE 2019
Pages: 227 - 237
Editors: Xiaobo Liu, Ph.D., Southwest Jiaotong University, Qiyuan Peng, Ph.D., Southwest Jiaotong University, and Kelvin C. P. Wang, Ph.D., Oklahoma State University
ISBN (Online): 978-0-7844-8274-2
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© 2020 American Society of Civil Engineers.
History
Published online: Jan 13, 2020
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