Measurement Method of Comprehensive Transportation Development Quality Based on Transportation Efficiency

Table 2

National integrated transport development assessment value and GDP correlation coefficient.

Correlation coefficients	Integrated transport development assessment value	Chinese gross domestic product
Integrated transport development assessment value	1.000 (0.000)	0.830 (0.000)
Chinese gross domestic product	0.830 (0.000)	1.000 (0.000)

Note. , , and represent significance levels of 1%, 5%, and 10%, respectively.