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An increasing number of Intelligent Transportation System (ITS) applications require high accurate vehicle positioning, e.g., positioning at the lane-level. This requirement motives the development of modeling the road network at the lane-level. In this paper we propose a novel lane-level road network model. It can be considered an improvement to existing models in its capability of representing the...
A navigation roadmap database is designed based on spider-web roadmap model, which describes complex connectivties of roadnet with abstract spider-like nodes. Fast route-palnning algorithm and navigation guaidance functions can be well implemented on this roadmap database. A storage format is carefully designed therefor element replcace and addon interfaces are reserved in the database with which...
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