The five vertical and three horizontal lines are the main trunk lines of China's railway network and the skeleton of China's railway traffic. The five verticals refer to the five north-south railway trunk lines, while the three horizontal lines are the three east-west railway trunk lines. These railway lines play a very important role in China's railway transportation, connecting major cities and economic centers across the country, promoting China's economic development and inter-regional exchanges.
The five verticals are: Beijing-Shanghai line, Beijing-Kowloon line, Beijing-Guangzhou line, Taijiao-Jiaoliu line, and Baocheng-Chengkun line. These five lines run from north to south, connecting China's eastern, central, and western regions. The Beijing-Shanghai line connects China's two major economic centers, Beijing and Shanghai, and is one of the busiest railway lines in China. The Beijing-Kowloon Line connects Beijing and Hong Kong, running through the north and south of China; The Beijing-Guangzhou Line connects Beijing and Guangzhou, passing through North China, Central China, South China and other regions; The Taijiao-Jiaoliu line connects Taiyuan and Liuzhou, passing through Shanxi, Henan, Hubei and other provinces; The Baocheng-Chengkun line connects Baoji and Kunming, passes through Shaanxi, Gansu, Sichuan, Yunnan and other provinces, and is an important railway trunk line in western China.
The three horizontal lines are: Beijing-Baolan-Baolan line, Longhai-Lanxin line, Shanghai-Hangzhou-Zhejiang-Jiangxi-Xiangqian-Guikun line. These three lines span east and west, connecting the north and south ends of China. The Beijing-Baozhou-Baolan line connects Beijing and Baotou, passes through Inner Mongolia and other regions, and is an important railway trunk line in northern China. The Longhai-Lanxin line connects Lianyungang in Jiangsu Province and Urumqi in Xinjiang Province, passing through several provinces, and is one of the main railway trunk lines in the east-west direction of China. The Shanghai-Hangzhou-Zhejiang-Jiangxi-Hunan-Guizhou-Guikun line connects Shanghai and Kunming, passing through East China, Central China, Southwest China and other regions, and is an important railway trunk line in southern China.
The layout of the railway network of five verticals and three horizontals is not only conducive to China's economic development, but also facilitates people's travel. Through these main railway lines, people can quickly and easily reach all parts of the country, facilitating inter-regional exchanges and the movement of people. At the same time, the five-vertical and three-horizontal railway network also provides important support for China's logistics industry and tourism, and promotes the rapid development of China's economy.