“一带一路”交通基础设施建设项目进展及联通度分析（2020~2021）

Abstract:“The Belt and Road”（B&R）transportation infrastructure connects the Eurasian continent，and also connects western China with B&R countries. The spatial economic implications of promoting the integration of the Eurasian continent and the “westward opening” of the Chinese economy are obvious.Progress has been made in the construction of transportation infrastructure in the six major economic corridors，but there are significant differences. The China-Pakistan Economic Corridor is progressing the fastest，the Bangladesh-China-India-Myanmar Economic Corridor is the slowest，the China-Mongolia-Russia Economic Corridor has the most completed projects，followed by the China-Central Asia-West Asia Economic Corridor. According to the constructed projects and the proposed projects，the China-Mongolia-Russia Economic Corridor has the greatest effect and potential for improving connectivity，with connectivityimprovement indexes reaching 6.80 and 10.14，respectively. The Bangladesh-China-India-Myanmar Economic Corridor will only be benefit when the proposed projects are completed. Further distinguishing the impact on China’s northwestern and southwestern regions，the connectivity increase in the northwestern region is more obvious，while the potential for improving connectivity are both large.

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