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A real-time traffic control method for the intersection with pre-signals under the phase swap sorting strategy
To deal with the conflicts between left-turn and through traffic streams and increase the discharge capacity, this paper addresses the pre-signal which is implemented at a signalized intersection. Such an intersection with pre-signal is termed as a tandem intersection. For the tandem intersection, p...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5439707/ https://www.ncbi.nlm.nih.gov/pubmed/28531198 http://dx.doi.org/10.1371/journal.pone.0177637 |
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author | Bie, Yiming Liu, Zhiyuan Wang, Yinhai |
author_facet | Bie, Yiming Liu, Zhiyuan Wang, Yinhai |
author_sort | Bie, Yiming |
collection | PubMed |
description | To deal with the conflicts between left-turn and through traffic streams and increase the discharge capacity, this paper addresses the pre-signal which is implemented at a signalized intersection. Such an intersection with pre-signal is termed as a tandem intersection. For the tandem intersection, phase swap sorting strategy is deemed as the most effective phasing scheme in view of some exclusive merits, such as easier compliance of drivers, and shorter sorting area. However, a major limitation of the phase swap sorting strategy is not considered in previous studies: if one or more vehicle is left at the sorting area after the signal light turns to red, the capacity of the approach would be dramatically dropped. Besides, previous signal control studies deal with a fixed timing plan that is not adaptive with the fluctuation of traffic flows. Therefore, to cope with these two gaps, this paper firstly takes an in-depth analysis of the traffic flow operations at the tandem intersection. Secondly, three groups of loop detectors are placed to obtain the real-time vehicle information for adaptive signalization. The lane selection behavior in the sorting area is considered to set the green time for intersection signals. With the objective of minimizing the vehicle delay, the signal control parameters are then optimized based on a dynamic programming method. Finally, numerical experiments show that average vehicle delay and maximum queue length can be reduced under all scenarios. |
format | Online Article Text |
id | pubmed-5439707 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Public Library of Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-54397072017-06-06 A real-time traffic control method for the intersection with pre-signals under the phase swap sorting strategy Bie, Yiming Liu, Zhiyuan Wang, Yinhai PLoS One Research Article To deal with the conflicts between left-turn and through traffic streams and increase the discharge capacity, this paper addresses the pre-signal which is implemented at a signalized intersection. Such an intersection with pre-signal is termed as a tandem intersection. For the tandem intersection, phase swap sorting strategy is deemed as the most effective phasing scheme in view of some exclusive merits, such as easier compliance of drivers, and shorter sorting area. However, a major limitation of the phase swap sorting strategy is not considered in previous studies: if one or more vehicle is left at the sorting area after the signal light turns to red, the capacity of the approach would be dramatically dropped. Besides, previous signal control studies deal with a fixed timing plan that is not adaptive with the fluctuation of traffic flows. Therefore, to cope with these two gaps, this paper firstly takes an in-depth analysis of the traffic flow operations at the tandem intersection. Secondly, three groups of loop detectors are placed to obtain the real-time vehicle information for adaptive signalization. The lane selection behavior in the sorting area is considered to set the green time for intersection signals. With the objective of minimizing the vehicle delay, the signal control parameters are then optimized based on a dynamic programming method. Finally, numerical experiments show that average vehicle delay and maximum queue length can be reduced under all scenarios. Public Library of Science 2017-05-22 /pmc/articles/PMC5439707/ /pubmed/28531198 http://dx.doi.org/10.1371/journal.pone.0177637 Text en © 2017 Bie et al http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
spellingShingle | Research Article Bie, Yiming Liu, Zhiyuan Wang, Yinhai A real-time traffic control method for the intersection with pre-signals under the phase swap sorting strategy |
title | A real-time traffic control method for the intersection with pre-signals under the phase swap sorting strategy |
title_full | A real-time traffic control method for the intersection with pre-signals under the phase swap sorting strategy |
title_fullStr | A real-time traffic control method for the intersection with pre-signals under the phase swap sorting strategy |
title_full_unstemmed | A real-time traffic control method for the intersection with pre-signals under the phase swap sorting strategy |
title_short | A real-time traffic control method for the intersection with pre-signals under the phase swap sorting strategy |
title_sort | real-time traffic control method for the intersection with pre-signals under the phase swap sorting strategy |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5439707/ https://www.ncbi.nlm.nih.gov/pubmed/28531198 http://dx.doi.org/10.1371/journal.pone.0177637 |
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