A Route Navigation System With A New
Revised Shortest Path Routing Algorithm
And Its Performance Evaluation
Author(s)
W. Wen & S. W. Hsu
Abstract
This paper presents a route navigation system with a new revised shortest path
routing algorithm for solving road traffic problems. The system can avoid
selecting no left (right) turns, one-way roads, and congested roads when it
determines the shortest paths from source to destination. Also, the new revised
routing algorithm is compared numerically with existing algorithms such as the
Dijkstra algorithm and the A* algorithm. We choose a road network containing
4000 nodes which have 200 no left turn situations and find in particular that the
road traffic problem of a 4000-node traffic network can be solved within only
0.651 seconds on average. The prototype system was built and some extra
functions were added so that its benefits not only offer the shortest path but also
provide information and security services for drivers.
Keywords: shortest path routing algorithm, global position system, route
navigation system.
1 Introduction
Traffic congestion has increased steadily in most cities of high-tech countries. To
solve congestion problems is not always feasible either by physically
constructing new road facilities or by traditional transportation management
systems. Therefore, it is important to develop more efficient methods to search
an appropriate path on a road network. This is especially useful because no left
(right) turns, one-way roads, and congestion roads are frequently encountered in
everyday driving situations in big cities. Most road-vehicle cooperative driving
systems are able to avoid the one-way roads. However, the systems do not solve
Keywords
shortest path routing algorithm, global position system, route
navigation system.
Related Book
Other papers in this volume
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