While deep learning has shown success in predicting traffic states, most methods treat it as a general prediction task without considering transportation aspects. Recently, graph neural networks have proven effective for this task, but few incorporate external factors that impact roadway capacity and traffic flow. This study introduces the Roadway Capacity Driven Graph Convolution Network (RCDGCN) model, which incorporates static and dynamic roadway capacity attributes in spatio-temporal settings to predict network-wide traffic states. The model was evaluated on two real-world datasets with different transportation factors: the ICM-495 highway network and an urban network in Manhattan, New York City. Results show RCDGCN outperformed baseline methods in forecasting accuracy. Analyses, including ablation experiments, weight analysis, and case studies, investigated the effect of capacity-related factors. The study demonstrates the potential of using RCDGCN for transportation system management.

本研究介绍了道路容量驱动的图卷积网络（RCDGCN）模型，该模型在时空环境中结合静态和动态道路容量属性，用于预测整个网络的交通状态，并在实际数据集上进行了评估。结果显示，RCDGCN在预测准确性方面优于基线方法，并通过各种分析表明了容量相关因素的影响。该研究展示了RCDGCN在交通系统管理方面的潜力。

沿途了解：以道路能力为驱动的图卷积网络在全网络交通预测中的应用