1: north-south transportation hub: Beijing-Guangzhou line
From Beijing south to Shijiazhuang, Zhengzhou, Wuhan and Changsha to Guangzhou, the southern gate of the motherland.
2. East-west coastal traffic artery: Beijing-Shanghai line
The Beijing-Shanghai line starts from Beijing, passes through Tianjin, Jinan, Xuzhou and Nanjing, and reaches Shanghai, the largest city in China.
3. The second largest transportation center running through the north and south: Beitongpu-Taijiao-Liu Jiao.
The whole line starts from Datong, Shanxi, passes through Taiyuan, Jiaozuo and Zhicheng, and reaches Liuzhou.
4. Beijing-Kowloon Line, the third largest transportation hub running through the north and south.
The Beijing-Kowloon Line starts from Beijing and passes through Tianjin, Hebei, Shandong, Henan, Anhui, Hubei, Jiangxi and Guangdong to Kowloon, Hong Kong.
5. The south-north trunk line running through the southwest: Baocheng-Chengkun line.
Starting from Baoji in the north, crossing the Qinling Daba Mountain, crossing the western Sichuan Plain, flying over the Minjiang River, crossing the Jinsha River and reaching Kunming.
6. The artery crossing the Central Plains and Northwest China: Longhai-Lanxin Line.
Lianyungang, on the east coast of the Yellow Sea, arrived in Urumqi via Zhengzhou, Xi and Lanzhou.
7. Beijing-Baotou-Baolan Line
The Beijing-Baotou line runs from Beijing westbound via Hohhot to Baotou, and the Baolan line runs from Baotou westbound via Yinchuan to Lanzhou.
8. East-west trunk line across Jiangnan: Shanghai-Hangzhou-Zhejiang-Jiangxi-Hunan-Guizhou-Kunming line.
The whole line starts from Shanghai in the east and passes through six provinces and cities such as Zhejiang, Jiangxi, Hunan, Guizhou and Yunnan, connecting the Yangtze River Delta, the hills in the south of the Yangtze River and the Yunnan-Guizhou Plateau.
9. Northeast Railway Network's self-provided trunk lines: Harbin-Dalian and Binzhou-Suibin lines.
The northeast railway network is centered on Harbin and Shenyang, and connected by Harbin-Dalian and Binzhou-Suibin lines, forming a "D"-shaped skeleton, connecting more than 70 trunk lines and branch lines in the whole region, which is unique and self-contained.
10: trunk lines connecting the inside and outside of the customs: Beijing-Shenyang line and Beijing-Nantong line.
The Beijing-Shenyang line starts from Beijing in the south, goes out of Shanhaiguan via Tianjin and Qinhuangdao, and goes to Shenyang along the Liaoxi Corridor.
The Jingtong line runs from Changping, a suburb of Beijing, to Tongliao via Chifeng, Inner Mongolia. It is an important railway for coal clearing in Shanxi and timber transportation in Northeast China.