Chapter
Apr 26, 2012
Urban Expressway Real-Time Traffic State Estimation and Travel Time Prediction within EKF Framework
Authors: Tiandong Xu [email protected], Osama Tomeh [email protected], and Lijun Sun [email protected]Author Affiliations
Publication: Transportation and Development Innovative Best Practices 2008
Abstract
In order to meet the need of traffic route guidance and traffic monitoring system in urban areas, this paper introduces a method to estimate and predict traffic condition and travel time between arbitrary locations by utilizing the Extended Kalman Filtering (EKF) framework. The basic concept is to first predict future traffic conditions using macroscopic dynamic models that are integrated with EKF based on the fixed traffic detectors in urban areas, and then predict actual travel time using "fictitious car" method. Finally, a case study in Shanghai is presented. The results demonstrate acceptable applicability and precision of the method. This study may lead to better traffic control and traffic route guidance, and improve the accuracy of broadcasted traffic conditions.
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© 2008 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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ASCE Technical Topics:
- Case studies
- Engineering fundamentals
- Highway and road management
- Highway transportation
- Highways and roads
- Infrastructure
- Intelligent transportation systems
- Methodology (by type)
- Models (by type)
- Research methods (by type)
- Traffic analysis
- Traffic engineering
- Traffic management
- Traffic models
- Transportation engineering
- Transportation management
- Travel time
- Urban and regional development
- Urban areas
Authors
Affiliations
School of transportation Engineering, Tongji University, Room 306, 4800 Cao'an Highway, Shanghai 201804, China;. E-mail: [email protected]
Aecom Consult Inc.3101, Wilson Blvd. Suite 400 Arlington, VA 22201;. E-mail: [email protected]
School of transportation Engineering, Tongji University, Room 306, 4800 Cao'an Highway, Shanghai 201804, China;. E-mail: [email protected]
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