Research Article
Measurement Method of Comprehensive Transportation Development Quality Based on Transportation Efficiency
Figure 4
Distribution of the evaluation index of the level of high-quality development of comprehensive transportation by province in different years. (a) 2000. (b) 2005. (c) 2010. (d) 2015. (e) 2017. (f) 2019.
(a) |
(b) |
(c) |
(d) |
(e) |
(f) |