Traffic congestion has made city planning and citizen well-being difficult due to fast city growth and the increasing number of vehicles. Traditional traffic management fails to solve urban transportation's ever-changing issues. Traffic prediction and control systems are vital for enhancing Traffic Flow (TF) and minimizing congestion. Smart cities need advanced prediction models to regulate urban TF as traffic management becomes more complex. This paper introduces a hybrid Convolutional Neural Networks (CNN) and Graph Neural Networks (GNN) model for better real-time traffic management. The hybrid model combines CNNs' spatial feature extraction with GNNs' structural and relational data processing to analyze and predict traffic conditions. Traffic camera images are pre-processed to extract spatial characteristics. Traffic network graph construction is used for structural research. The model accurately captures traffic topology and space. The proposed method sequentially processes spatial data with CNNs and integrates them with GNNs. The final hybrid model is trained on one year of traffic data from diverse circumstances and events. The hybrid model is compared to CNN, GNN, and traditional Traffic Prediction Models (TPM) like ARIMA and SVM utilizing MAE, RMSE, and MAPE. The hybrid GNN+CNN model outperforms benchmark models with lower MAE, RMSE, and MAPE across several prediction intervals.
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Jhansilakshmi Mettu
Jhansilakshmi Mettu
Department Information Technology, CMR Engineering College, Hyderabad, Telangana, India.
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Cite this article
Karrar S. Mohsin, Jhansilakshmi Mettu, Chinnam Madhuri, Gude Usharani, Silpa N and Pachipala Yellamma, “Enhancing Urban Traffic Management Through Hybrid Convolutional and Graph Neural Network Integration", pp. 360-370, April 2024. doi: 10.53759/7669/jmc202404034.
