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A New Road Network Model and Its Application in a Traffic Information System

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4 Author(s)
Weifeng Lv ; Beihang Univ., Beijing ; Wenjie Liao ; Dongdong Wu ; Jiong Xie

The traditional road network used in the traffic information system consider little about the complicated structure of the road, and regard all roads as the same. However, in the traffic information system using the floating car data (FCD), the GPS sampling rate is low, and it is probable to figure out the incorrect information from the map matching algorithm when the vehicle is in the intersection area. To solve this problem, this paper designs a new road network and a data structure for intersections to describe the complex road structure, and uses the road network in the map matching algorithm. At last, it presents the results of the experiment to indicate that it can improve the accuracy of information which the traffic information system provides to use this road network.

Published in:

Autonomic and Autonomous Systems, 2008. ICAS 2008. Fourth International Conference on

Date of Conference:

16-21 March 2008