China's "four vertical and four horizontal high-speed railway network" has almost been completed, making China the world's first country with a complete high-speed rail network in operation, said a report released by the National Bureau of Statistics on Sept. 12, Workers' Daily reported.

The report said that China's total railway line mileage reached 127,000 kilometers by the end of 2017, up 145.6 percent from 1978, with an average annual growth of 2.3 percent.

The distance of China's high-speed rail hit 25,200 kilometers, topping the global chart.

The figure for electrified railways and double-track rail in China is currently 86,600 and 71,800 kilometers, accounting for 68.2 percent and 56.5 percent of the country's total railway mileage, ranking first and second in the world respectively, according to the report.

The report also pointed out that high-speed rail not only brings convenience to people's lives, but also promotes sharing of regional resources and coordinates development of many financial circles, such as the Beijing-Tianjin-Hebei economic circle and the Pearl River Delta economic circle.

Additionally, China's total expressway coverage reached 136,400 kilometers by the end of 2017, ranking first in the world, covering 97 percent of cities with a population of 200,000 or above.