Road Travel Time Prediction Based on Improved Graph Convolutional Network

Table 1

Performance comparison of prediction models.

Model	15 min			30 min
	MAE	MAPE (%)	RMSE	MAE	MAPE (%)	RMSE
HA	0.0401	25.37	0.0689	0.0431	28.48	0.0703
ARIMA	0.0394	23.96	0.0663	0.0419	25.06	0.0691
LSTM	0.0365	20.04	0.0624	0.0400	22.97	0.0652
IGC-Net_T	0.0326	18.57	0.0643	0.0387	21.18	0.0640
STGCN	0.0327	18.41	0.0638	0.0375	20.03	0.0653
DCRNN	0.0301	16.78	0.0611	0.0336	18.37	0.0641
Graph WaveNet	0.0293	16.21	0.0602	0.0317	17.11	0.0634
IGC-Net_E	0.0287	14.83	0.0596	0.0298	15.97	0.0610
IGC-Net	0.0269	13.70	0.0527	0.0292	15.49	0.0601