The Core

Aside from its grueling length, there's also the question of how this huge project will be funded. The TEPR would reportedly cost "trillions of dollars," but Yakunin is apparently a close friend of Russian President Vladimir Putin, and could potentially use that influence to get the project rolling. 

http://www.motorauthority.com/news/1097518_russia-proposes-superhighway-linking-new-york-and-london