From Xian

The belt road component has land-ports that send goods by rail freight to and from Europe and China.

They have several land ports. The first and only one in ancient times was from the city of Xian, in Xinjiang Province.

2018 is not over yet and from Xian:

http://en.people.cn/n3/2018/1102/c90000-9514432.html

the traffic volume as cited in this website.

From other land ports the traffic between Germany and China, Russia and China and so forth.