NDLI: Traffic flow estimation on the expressway network using toll ticket data

Content Provider	IET Digital Library
Author	Zheng, Kangning Yao, Enjian Zhang, Junyi Zhang, Yongsheng
Abstract	Traffic flow estimation (TFE) is an important task for intelligent transportation systems, especially for expressway system in travel demand management, road conditions monitor etc. Traffic flow is usually detected by fixed sensors, which is neither practical nor economically feasible to cover all expressway component links. Additionally, the existing research usually ignores the effects of drivers’ dwell behaviours on TFE. To fill these gaps, this study proposes a TFE method based on toll ticket data (TTD) which records trip information, except the actual route. Meanwhile, dwell time, as a key component of drivers’ journeys, will be integrated into the proposed approach. In this study, a Gaussian mixture model for the origin–destination pairs with multiple alternative routes will be formulated. Moreover, expectation–maximisation algorithm is introduced to estimate link traffic flows and dwell time distributions simultaneously. By TTD collected from the Shandong Province Expressway in China, the proposed approach is calibrated and applied to TFE empirically. The results show that the proposed approach has a good performance on TFE with consideration of dwell time.
Starting Page	886
Ending Page	895
Page Count	10
ISSN	1751956X
Volume Number	13
e-ISSN	17519578
Issue Number	Issue 5, May (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-its/13/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-its.2018.5375
Journal	IET Intelligent Transport Systems
Publisher Date	2019-01-08
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Condition Monitoring Dwell Time Expressway Component Link Expressway Network Expressway System Gaussian Processes Intelligent Transport System Key Component Link Traffic Flows Road Condition Road Traffic Shandong Province Expressway Statistics System Theory Application in Transportation TFE Method Toll Ticket Data Traffic Engineering Computing Traffic Flow Estimation Transportation Travel Demand Management TTD
Content Type	Text
Resource Type	Article
Subject	Law Transportation Environmental Science Mechanical Engineering

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