Table 2. Detailed information of datasets.

Datasets	Samples	Number of nodes	Traffic features	Time span
PEMS03	26,208	358	Flow	09/01/2018–11/30/2018
PEMS04	16,992	307	Flow, Speed, Occupancy	01/01/2018–02/28/2018
PEMS07	28,224	883	Flow, Speed, Occupancy	05/01/2017–08/31/2017
PEMS08	17,856	170	Flow	07/01/2016–08/31/2016