Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/14626
Title: Estimation of instantaneous travel times for Hong Kong real-time traveller information system
Authors: Tam, ML
Lam, WHK 
Issue Date: 2006
Source: Proceedings of the 11th International Conference of Hong Kong Society for Transportation Studies: Sustainable Transportation, 2006, p. 563-572 How to cite?
Abstract: This paper presents a real-time traveler information system (RTIS) for Hong Kong, which estimating instantaneous travel times using automatic vehicle identification (AVI) data. The system is a robust on-line updating platform for advanced traveler information, from which the real-time travel time estimates for Hong Kong road networks can be easily extracted. In the RTIS, the travel times are estimated by the real-time AV I data, the off-line travel time estimates and their variance-covariance relationships between road links. The real-time AVI data adopted for RTIS are Autotoll tag data in Hong Kong; whereas the off-line link travel time estimates and their variance-covariance matrices are obtained from a traffic flow simulator. On the basis of integration of these real-time and off-line traffic data, the current traffic conditions on Hong Kong major roads can be estimated at five-minute intervals. A case study is carried out in Kowloon Central urban area to collect observed data for validation of the results of the proposed RTIS.
Description: 11th International Conference of Hong Kong Society for Transportation Studies: Sustainable Transportation, Kowloon, 9-11 December 2006
URI: http://hdl.handle.net/10397/14626
ISBN: 9889884704
9789889884703
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