Domestic and International Considerations Hamper Development of Russo-Chinese Rail Links (The Jamestown Foundation)

The common desire of Moscow and Beijing to develop railways linking Asia with Europe is not making as much progress as the two parties had hoped or as many had expected. This is due in part to international concerns involving third countries, including the Central Asian states, but it mostly stems from domestic political considerations inside Russia.

https://jamestown.org/program/domestic-and-international-considerations-hamper-development-of-russo-chinese-rail-links/