It shows that we have ushered in a historic leap from a transportation power to a transportation power, which has effectively guaranteed the realization of the first century-long struggle goal. In the past ten years, China's comprehensive three-dimensional transportation network has been accelerated, which has effectively promoted the smooth flow of domestic and international circulation. China has built the world's largest high-speed railway network, expressway network, world-class port groups and air and sea transportation. China High-speed Railway, China Road, China Bridge, China Port and China Express have become beautiful "China Business Cards". The comprehensive transportation system with large scale and smooth internal communication has strongly supported the operation of China as the world's second largest economy and the world's largest commodity trading country. Xu Chengguang said: "The total mileage of the comprehensive transportation network exceeds 6 million kilometers. From 20 12 to the end of 202 1, the mileage of railways and highways increased by about 165438+ 10,000 kilometers, equivalent to 27 and a half laps around the equator of the earth. The coverage of high-speed railways and highways in cities with a population of more than 200,000 has exceeded 95%. "