Highway Traffic Speed Prediction in Rainy Environment Based on APSO-GRU

Table 3

Data format after spatiotemporal matching.

Highway	Date_hour	Precipitation	Volume_sum	Speed_avg
Beijing-Harbin Highway	20190706_09	0	1106	89.61
Beijing-Harbin Highway	20190706_10	9	1051	85.34
Beijing-Harbin Highway	20190706_11	2.8	1137	87.74
Beijing-Harbin Highway	20190706_12	2.1	963	87.93
Beijing-Harbin Highway	20190706_13	1.5	897	88.57