Long Short-term Memory (LSTM) is a Recurrent Neural Network (RNN) that is widely used in time series traffic forecasting. LSTM captures both short-term and long-term trends and dependency in sequential data like time series data, as it contains specialized memory cells to store information in memory for longer periods. Existing traffic forecasting approaches lack features to forecast the traffic speed of interconnected road links and provide multivariate (i.e., multi-input and multi-output) and multi-step traffic forecasting both in the short- and long-term. We propose an Encoder-Decoder LSTM-based sequence-to-sequence architecture to capture the traffic speed of interconnected road links and provide multivariate multistep traffic forecasting both in the short-term (15 minutes) and long-term (two days). We apply a sliding-window approach to feed the short-term traffic forecasting as input to the model to project long-term traffic forecasting. Our model can incorporate multiple interconnected road links and providing traffic speed forecasting for multiple future steps. We conducted our experiment at an intersection in Oshawa, ON, Canada, and evaluated performance using the error distribution and Mean Absolute Error. The evaluation shows that the model can forecast traffic speed across interconnected road links with negligible error, both in the short-term and the long-term.


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    Title :

    Interconnected Traffic Forecasting Using Time Distributed Encoder-Decoder Multivariate Multi-Step LSTM


    Contributors:


    Publication date :

    2024-06-02


    Size :

    3242234 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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