Fig. 4: The evolution of the road network in Guizhou Province (2000–2020). | Humanities and Social Sciences Communications

Fig. 4: The evolution of the road network in Guizhou Province (2000–2020).

From: The spatial impact of high bridges on travel accessibility and economic integration in Guizhou, China: a scenario-based analysis

Fig. 4

The figure illustrates the changes of road networks in the years 2000, 2005, 2010, 2015 and 2020, as well as the distribution of high bridges on road networks. All the road network data are obtained from the National Earth System Science Data Center, National Science & Technology Infrastructure of China (2020).

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