Chapter
Apr 26, 2012
A GLS Based Method of Road Network Dynamic OD Matrix Estimation from Traffic Counts
Authors: Yuntao Chang [email protected], Xiaoguang Yang, Qingchang Lu, and Duidui LiangAuthor Affiliations
Publication: International Conference on Transportation Engineering 2009
Abstract
This paper presents a road network dynamic OD matrix estimation model using real-time link traffic counts. First, the paper establishes a generalized least squares (GLS) based dynamic OD matrix estimation model, then the dynamic traffic assignment (DTA) technology is used to estimate the link-use proportion matrix. According to the model, a bi-level iterative algorithm is designed to solve the estimation problem. Finally, a case study illustrates that the dynamic OD estimation methodology can traced the variation of network OD matrices well, and produced more precise estimation results.
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Information
Published In
International Conference on Transportation Engineering 2009
Pages: 2164 - 2169
Copyright
© 2009 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Algorithms
- Analysis (by type)
- Case studies
- Dynamic models
- Engineering fundamentals
- Highway and road management
- Highway transportation
- Highways and roads
- Infrastructure
- Least squares method
- Mathematical functions
- Mathematics
- Matrix (mathematics)
- Methodology (by type)
- Models (by type)
- Regression analysis
- Research methods (by type)
- Statistical analysis (by type)
- Traffic assignment
- Traffic engineering
- Traffic management
- Traffic models
- Transportation engineering
Authors
Affiliations
Traffic and Transportation school of Tongji University, Shanghai, P.R. China. E-mail: [email protected]
Xiaoguang Yang
Traffic and Transportation school of Tongji University, Shanghai, P.R. China
Qingchang Lu
Traffic and Transportation school of Tongji University, Shanghai, P.R. China
Duidui Liang
Traffic and Transportation school of Tongji University, Shanghai, P.R. China
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