Chapter
Jul 2, 2019
Estimated OD Matrix Based on Multipath Choice Model by Using Urban Traffic Flow
Authors: Wentong Wu [email protected], Dawei Li [email protected], and Cheng Li [email protected]Author Affiliations
Publication: CICTP 2019
Abstract
The OD matrix is the basis of traffic planning. The traditional OD survey method is low in economic efficiency and accuracy, but the OD matrix estimation can derive the OD matrix from the urban road observation flow. This paper mainly introduces the estimation method based on multipath choice model in Transcad software. Taking Huangshi City as an example, first we constructed different types of initial matrices, and used simulation software to obtain the inverse matrix. The relative error is used to verify the accuracy of the results. The results show that the initial matrix structure is more similar to the actual one, the backstepping result is more accurate, and the inverse OD matrix can meet the accuracy requirements of traffic planning.
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Published In
CICTP 2019
Pages: 5492 - 5502
Copyright
© 2019 American Society of Civil Engineers.
History
Published online: Jul 2, 2019
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Authors
Affiliations
Jiangsu Key Laboratory of Urban ITS, Southeast Univ., Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic, Sipailou 2, Xuanwu District, Nanjing 210096, China. E-mail: [email protected]
Jiangsu Key Laboratory of Urban ITS, Southeast Univ., Jiangsu Province Collaborative Innovation Center of Modern Urban Traffic, Sipailou 2, Xuanwu District, Nanjing 210096, China. E-mail: [email protected]
China Academy of Transportation Sciences, No. 240, Huixinli, Chaoyang District, Beijing 100029, China. E-mail: [email protected]
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