Relationship Model Between Commuting Trips and Traffic Operation Based on Mobile Signaling Data
Received date: 2021-07-14
Online published: 2021-11-23
Copyright
Commuting trips are the main cause of traffic congestion in the morning and evening rush hours in cities. In order to explore the relationships between commuting trips and traffic operation, the basic characteristics of commuting trips and non-commuting trips in Beijing were analyzed, including travel distance, travel mode, etc. The characteristic relationships in different time periods between commuting trips and road network speed were found. According to the results, a six-segment model of the contribution of commuting trips to traffic operation was constructed. Model parameters were also calibrated by fitting segment by segment. According to the analysis of the proposed model, commuting trips and road network speed were highly linearly related, and commuting trips had the highest contribution to road network speed during the morning peak formation stage and the evening peak dissipation stage. The model in evening peak stage was entropy function between commuting trips and non-commuting trips. Moreover, it was the higher trip mixed entropy of evening peak than morning peak, and the higher trip mixed entropy of Friday evening peak than other workdays′ evening peak, leading to the increase in the mixed entropy of the entire transportation system, which finally led to the difference in congestion level between morning and evening peak, and the aggravating of congestion on Friday evening peak. Therefore, in addition to staggered commuting measures, reducing non-commuting flexible trips is also an important way to alleviate peak congestion.
LEI Fang-shu , WEN Hui-min , SUN Jian-ping , ZHAO Xiang . Relationship Model Between Commuting Trips and Traffic Operation Based on Mobile Signaling Data[J]. Transport Research, 2021 , 7(5) : 10 -18 . DOI: 10.16503/j.cnki.2095-9931.2021.05.002
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