Urban Traffic Travel Time Short-Term Prediction Model Based on Spatio-Temporal Feature Extraction

Table 1

The basic spatio-temporal features.

Symbol	Description	No.
TTt−1	The first lagging values of target variable	1
TTt−2	The second lagging values of target variable	2
TTt−3	The third lagging values of target variable	3
T1	The first values before the start of the forecast period	4
H1	The true values of the hour before the forecast period	5
Average_speed	The first speed before the prediction point	6
in_link1_lagging1	The true values of the i^th upstream road of the target	7
in_link2_lagging1	Road before the predicted point	8
out_link1_lagging1	The true values of the i^th downstream road of the target	9
out_link2_lagging1	Road before the predicted point	10
Minute	The minute of the forecast point	11
Hour	The hour of the forecast point	12
Dayofweek	The forecast point represents the day of the week	13
Dayofyear	The date of the forecast point	14
Vacation	Holiday or not	15
Link-ID	The ID of each road segment	16
Length	The length of each road segment	17
Width	The width of each road segment	18
Area	The area of each road segment	19