Letters: Computational intelligence-based congestion prediction for a dynamic urban street network

Authors:
Dipti Srinivasan;Chee Wai Chan;P. G. Balaji
Affiliations:
National University of Singapore, Department of Electrical and Computer Engineering, Singapore;National University of Singapore, Department of Electrical and Computer Engineering, Singapore;National University of Singapore, Department of Electrical and Computer Engineering, Singapore
Venue:
Neurocomputing
Year:
2009

Citing 2
Cited 2

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Abstract

This paper develops a hybrid model for single point short term traffic flow forecasting in an urban traffic network. The hybrid model consists of two main modules: a fuzzy input fuzzy output filter (FIFO-filter) and a multi-layer feed-forward artificial neural network architecture optimized using evolution strategies (MLFN-ES). The FIFO-filter performs the data clustering operation and provides a rough forecasted prediction value based on the input data to the MLFN-ES associated with each cluster for modeling the input-output relation to provide accurate short term forecast value. The performance of the proposed model is demonstrated by predicting the traffic flow for an intersection in the central business district (CBD) area of Singapore. The hybrid model proposed in this paper gave a mean absolute percentage error (MAPE) of 8.35% on weekdays and 9.73% on weekends for the test data. A comparison analysis shows improved performance of the proposed hybrid method in short term traffic prediction over popular approaches like ARIMA and artificial neural network based systems.