Using Multidimensional Data to Analyze Freeway Real-Time Traffic Crash Precursors Based on XGBoost-SHAP Algorithm

Table 2

Examples of partial traffic flow data.

Detection time	Detector number	Lane number	Direction	Volume	Speed	Occupancy rate
04/11/2013 19:29	523050003	1	2	22	59	16
04/11/2013 19:29	523050003	2	2	35	66	24
04/11/2013 19:29	523050003	3	2	30	70	23
04/11/2013 19:29	523050003	4	1	19	72	10
04/11/2013 19:29	523050003	5	1	27	70	19
04/11/2013 19:29	523050003	6	1	17	58	15
04/11/2013 19:30	523050003	1	2	18	62	14
04/11/2013 19:30	523050003	2	2	14	71	9