Vehicle Travel Time Prediction in Spatio-Temporal Space

Qing Li; William H. K. Lam; Mei Lam Tam

doi:10.4028/www.scientific.net/AMM.253-255.1662

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 253-255Vehicle Travel Time Prediction in Spatio-Temporal...

Vehicle Travel Time Prediction in Spatio-Temporal Space

Abstract:

It is recognized that travel times on a link are temporally correlated with its travel times of previous time periods. Also, the link travel time are spatially correlated by travel times on its neighboring links. Based on such temporal and spatial correlations, a new method is proposed for travel time prediction in urban roads. The proposed method is capable of rapidly predicting the link travel time in the near future. For validation of the proposed method, the temporal and spatial variance-covariance of travel times on related links are employed together with historical travel time data. It is found that the proposed method is able to provide more accurate travel time prediction.

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Periodical:

Applied Mechanics and Materials (Volumes 253-255)

Pages:

1662-1665

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.253-255.1662

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Online since:

December 2012

Authors:

Qing Li, William H. K. Lam, Mei Lam Tam

Keywords:

Prediction, Spatial Covariance, Temporal Covariance, Travel Time

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