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Figure 3: Horizontal Accuracy variation along the route.
The pilot experiment cleared the way for the actual experiment of monitoring the vehicle fleet performance. Experiments for the same are being conducted and results are expected by the end of January. After successful installation of the GPS receivers, it is proposed to develop an interface where the users in the IIT Bombay campus can view the position of the vehicles on a web-based GIS map through the LAN. The canopy problem will be solved by 'snapping' the instantaneous position of the vehicles shown by the GPS receivers to the accurate GIS map of the roads on which they ply.

Acknowledgements
This study is presently being carried out by the first author, as part of his B. Tech. project at the Department of Civil Engineering of the Indian Institute of Technology, Bombay, under the guidance of the second author. The support received from the Department of Science & Technology, Government of India, under a sponsored project, is gratefully acknowledged.

References

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