Identification of Working Trucks and Critical Path Nodes for Construction Waste Transportation Based on Electric Waybills: A Case Study of Shenzhen, China

Table 4

Results of the correlation analysis.

Test	Declaration and discharge states	Duration of stay	Load states in and out of the electronic fence	Carrying	Carriage open	Speed
	5535.128	6640.536	1546.306	2758.526	2575.341	5889.093
Significance	0.000	0.000	0.000	0.000	0.000	0.000
Correlation coefficient	0.630	0.690	0.333	0.445	0.430	0.650